diff --git a/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/Action.java b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/Action.java
index 6013677..897e2a5 100644
--- a/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/Action.java
+++ b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/Action.java
@@ -44,5 +44,7 @@
 	scaleInstance,
 	deactivateAndCloudDelete,
 	scaleOut,
-	recreateInstance
+	recreateInstance, 
+	addMembers,
+	removeMembers
 }
diff --git a/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/MsoRequest.java b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/MsoRequest.java
index c9f32d9..440a9ea 100644
--- a/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/MsoRequest.java
+++ b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/MsoRequest.java
@@ -44,6 +44,7 @@
 
 import org.onap.so.apihandler.common.ResponseBuilder;
 import org.onap.so.apihandlerinfra.tasksbeans.TasksRequest;
+import org.onap.so.apihandlerinfra.validation.MembersValidation;
 import org.onap.so.apihandlerinfra.validation.ApplyUpdatedConfigValidation;
 import org.onap.so.apihandlerinfra.validation.CloudConfigurationValidation;
 import org.onap.so.apihandlerinfra.validation.ConfigurationParametersValidation;
@@ -174,6 +175,8 @@
         	rules.add(new InPlaceSoftwareUpdateValidation());
         }else if(reqVersion >= 6 && action == Action.applyUpdatedConfig){
         	rules.add(new ApplyUpdatedConfigValidation());
+        }else if(action == Action.addMembers || action == Action.removeMembers){
+        	rules.add(new MembersValidation());
         }else{
 	        rules.add(new RequestScopeValidation());
 	        rules.add(new RequestParametersValidation());
@@ -264,7 +267,6 @@
             if (null == servInsReq) {
             	servInsReq = new ServiceInstancesRequest ();
             }
-           
             String networkType = "";
             String vnfType = "";
             aq.setRequestId (requestId);
@@ -275,97 +277,104 @@
             Timestamp startTimeStamp = new Timestamp (System.currentTimeMillis());
 
             aq.setStartTime (startTimeStamp);
-            RequestInfo requestInfo =servInsReq.getRequestDetails().getRequestInfo();
-            if (requestInfo != null) {
-            	
-            	if(requestInfo.getSource() != null){
-            		aq.setSource(requestInfo.getSource());
-            	}
-            	if(requestInfo.getCallbackUrl() != null){
-            		aq.setCallBackUrl(requestInfo.getCallbackUrl());
-            	}
-            	if(requestInfo.getCorrelator() != null){
-            		aq.setCorrelator(requestInfo.getCorrelator());
-            	}
-
-            	if(requestInfo.getRequestorId() != null) {
-            		aq.setRequestorId(requestInfo.getRequestorId());
-            	}
-            }
-
-            if (servInsReq.getRequestDetails().getModelInfo() != null  ||  (action == Action.inPlaceSoftwareUpdate || action == Action.applyUpdatedConfig)) {
+            if(requestScope.equals(ModelType.instanceGroup.name()) && action == Action.deleteInstance){
             	aq.setRequestScope(requestScope);
-            }
-
-            if (servInsReq.getRequestDetails().getCloudConfiguration() != null) {
-            	CloudConfiguration cloudConfiguration = servInsReq.getRequestDetails().getCloudConfiguration();
-            	if(cloudConfiguration.getLcpCloudRegionId() != null) {
-            		aq.setAicCloudRegion(cloudConfiguration.getLcpCloudRegionId());
-            	}
-
-               	if(cloudConfiguration.getTenantId() != null) {
-            		aq.setTenantId(cloudConfiguration.getTenantId());
-            	}
-
-            }
-
-            if(servInsReq.getServiceInstanceId() != null){
-            	aq.setServiceInstanceId(servInsReq.getServiceInstanceId());
-            }
-
-            if(servInsReq.getVnfInstanceId() != null){
-            	aq.setVnfId(servInsReq.getVnfInstanceId());
-            }
-
-            if(ModelType.service.name().equalsIgnoreCase(requestScope)){
-              	if(servInsReq.getRequestDetails().getRequestInfo().getInstanceName() != null){
-            		aq.setServiceInstanceName(requestInfo.getInstanceName());
-            	}
-            }
-
-            if(ModelType.network.name().equalsIgnoreCase(requestScope)){
-            	aq.setNetworkName(servInsReq.getRequestDetails().getRequestInfo().getInstanceName());
-            	aq.setNetworkType(networkType);
-            	aq.setNetworkId(servInsReq.getNetworkInstanceId());
-            }
-
-            if(ModelType.volumeGroup.name().equalsIgnoreCase(requestScope)){
-            	aq.setVolumeGroupId(servInsReq.getVolumeGroupInstanceId());
-            	aq.setVolumeGroupName(servInsReq.getRequestDetails().getRequestInfo().getInstanceName());
-              	aq.setVnfType(vnfType);
-
-            }
-
-            if(ModelType.vfModule.name().equalsIgnoreCase(requestScope)){
-             	aq.setVfModuleName(requestInfo.getInstanceName());
-             	aq.setVfModuleModelName(servInsReq.getRequestDetails().getModelInfo().getModelName());
-             	aq.setVfModuleId(servInsReq.getVfModuleInstanceId());
-             	aq.setVolumeGroupId(servInsReq.getVolumeGroupInstanceId());
-              	aq.setVnfType(vnfType);
-
-            }
-            
-            if(ModelType.configuration.name().equalsIgnoreCase(requestScope)) {
-            	aq.setConfigurationId(servInsReq.getConfigurationId());
-            	aq.setConfigurationName(requestInfo.getInstanceName());
-            }
-
-            if(ModelType.vnf.name().equalsIgnoreCase(requestScope)){
-              	aq.setVnfName(requestInfo.getInstanceName());
-				if (null != servInsReq.getRequestDetails()) {
-					RelatedInstanceList[] instanceList = servInsReq.getRequestDetails().getRelatedInstanceList();
-
-					if (instanceList != null) {
-
-						for(RelatedInstanceList relatedInstanceList : instanceList){
-
-							RelatedInstance relatedInstance = relatedInstanceList.getRelatedInstance();
-							if(relatedInstance.getModelInfo().getModelType().equals(ModelType.service)){
-								aq.setVnfType(vnfType);
+            }else{
+	            RequestInfo requestInfo =servInsReq.getRequestDetails().getRequestInfo();
+	            if (requestInfo != null) {
+	            	
+	            	if(requestInfo.getSource() != null){
+	            		aq.setSource(requestInfo.getSource());
+	            	}
+	            	if(requestInfo.getCallbackUrl() != null){
+	            		aq.setCallBackUrl(requestInfo.getCallbackUrl());
+	            	}
+	            	if(requestInfo.getCorrelator() != null){
+	            		aq.setCorrelator(requestInfo.getCorrelator());
+	            	}
+	
+	            	if(requestInfo.getRequestorId() != null) {
+	            		aq.setRequestorId(requestInfo.getRequestorId());
+	            	}
+	            }
+	
+	            if (servInsReq.getRequestDetails().getModelInfo() != null  ||  (action == Action.inPlaceSoftwareUpdate || action == Action.applyUpdatedConfig)) {
+	            	aq.setRequestScope(requestScope);
+	            }
+	
+	            if (servInsReq.getRequestDetails().getCloudConfiguration() != null) {
+	            	CloudConfiguration cloudConfiguration = servInsReq.getRequestDetails().getCloudConfiguration();
+	            	if(cloudConfiguration.getLcpCloudRegionId() != null) {
+	            		aq.setAicCloudRegion(cloudConfiguration.getLcpCloudRegionId());
+	            	}
+	
+	               	if(cloudConfiguration.getTenantId() != null) {
+	            		aq.setTenantId(cloudConfiguration.getTenantId());
+	            	}
+	
+	            }
+	
+	            if(servInsReq.getServiceInstanceId() != null){
+	            	aq.setServiceInstanceId(servInsReq.getServiceInstanceId());
+	            }
+	
+	            if(servInsReq.getVnfInstanceId() != null){
+	            	aq.setVnfId(servInsReq.getVnfInstanceId());
+	            }
+	
+	            if(ModelType.service.name().equalsIgnoreCase(requestScope)){
+	              	if(servInsReq.getRequestDetails().getRequestInfo().getInstanceName() != null){
+	            		aq.setServiceInstanceName(requestInfo.getInstanceName());
+	            	}
+	            }
+	
+	            if(ModelType.network.name().equalsIgnoreCase(requestScope)){
+	            	aq.setNetworkName(servInsReq.getRequestDetails().getRequestInfo().getInstanceName());
+	            	aq.setNetworkType(networkType);
+	            	aq.setNetworkId(servInsReq.getNetworkInstanceId());
+	            }
+	
+	            if(ModelType.volumeGroup.name().equalsIgnoreCase(requestScope)){
+	            	aq.setVolumeGroupId(servInsReq.getVolumeGroupInstanceId());
+	            	aq.setVolumeGroupName(servInsReq.getRequestDetails().getRequestInfo().getInstanceName());
+	              	aq.setVnfType(vnfType);
+	
+	            }
+	
+	            if(ModelType.vfModule.name().equalsIgnoreCase(requestScope)){
+	             	aq.setVfModuleName(requestInfo.getInstanceName());
+	             	aq.setVfModuleModelName(servInsReq.getRequestDetails().getModelInfo().getModelName());
+	             	aq.setVfModuleId(servInsReq.getVfModuleInstanceId());
+	             	aq.setVolumeGroupId(servInsReq.getVolumeGroupInstanceId());
+	              	aq.setVnfType(vnfType);
+	
+	            }
+	            
+	            if(ModelType.configuration.name().equalsIgnoreCase(requestScope)) {
+	            	aq.setConfigurationId(servInsReq.getConfigurationId());
+	            	aq.setConfigurationName(requestInfo.getInstanceName());
+	            }
+	            if(requestScope.equalsIgnoreCase(ModelType.instanceGroup.name())){
+	            	aq.setInstanceGroupId(servInsReq.getInstanceGroupId());
+	            	aq.setInstanceGroupName(requestInfo.getInstanceName());
+	            }
+	            if(ModelType.vnf.name().equalsIgnoreCase(requestScope)){
+	              	aq.setVnfName(requestInfo.getInstanceName());
+					if (null != servInsReq.getRequestDetails()) {
+						RelatedInstanceList[] instanceList = servInsReq.getRequestDetails().getRelatedInstanceList();
+	
+						if (instanceList != null) {
+	
+							for(RelatedInstanceList relatedInstanceList : instanceList){
+	
+								RelatedInstance relatedInstance = relatedInstanceList.getRelatedInstance();
+								if(relatedInstance.getModelInfo().getModelType().equals(ModelType.service)){
+									aq.setVnfType(vnfType);
+								}
 							}
 						}
 					}
-				}
+	            }
             }
 
             aq.setRequestBody (originalRequestJSON);
diff --git a/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/ServiceInstances.java b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/ServiceInstances.java
index cb66209..0cd5d8d 100644
--- a/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/ServiceInstances.java
+++ b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/ServiceInstances.java
@@ -32,6 +32,7 @@
 import org.apache.commons.lang.StringUtils;
 import org.apache.http.HttpResponse;
 import org.apache.http.HttpStatus;
+import org.onap.logging.ref.slf4j.ONAPLogConstants;
 import org.onap.so.apihandler.camundabeans.CamundaResponse;
 import org.onap.so.apihandler.common.CommonConstants;
 import org.onap.so.apihandler.common.ErrorNumbers;
@@ -93,6 +94,7 @@
 import javax.ws.rs.container.ContainerRequestContext;
 import javax.ws.rs.core.Context;
 import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.MultivaluedMap;
 import javax.ws.rs.core.Response;
 import java.io.IOException;
 import java.net.URL;
@@ -611,12 +613,75 @@
 		instanceIdMap.put("networkInstanceId", networkInstanceId);
 		return serviceInstances(request, Action.deleteInstance, instanceIdMap, version, requestId, getRequestUri(requestContext));
 	}
+	
+	@POST
+    @Path("/{version:[vV][7]}/instanceGroups")
+	@Consumes(MediaType.APPLICATION_JSON)
+	@Produces(MediaType.APPLICATION_JSON)
+	@ApiOperation(value="Create instanceGroups",response=Response.class)
+	@Transactional
+    public Response createInstanceGroups(String request, @PathParam("version") String version, @Context ContainerRequestContext requestContext) throws ApiException {
+		String requestId = getRequestId(requestContext);
+		return serviceInstances(request, Action.createInstance, null, version, requestId, getRequestUri(requestContext));
+	}
+	
+	@DELETE
+	@Path("/{version:[vV][7]}/instanceGroups/{instanceGroupId}")
+	@Consumes(MediaType.APPLICATION_JSON)
+	@Produces(MediaType.APPLICATION_JSON)
+	@ApiOperation(value="Delete instanceGroup",response=Response.class)
+	@Transactional
+	public Response deleteInstanceGroups(@PathParam("version") String version, @PathParam("instanceGroupId") String instanceGroupId, @Context ContainerRequestContext requestContext) throws ApiException {
+		String requestId = getRequestId(requestContext);
+		HashMap<String, String> instanceIdMap = new HashMap<>();
+		instanceIdMap.put(CommonConstants.INSTANCE_GROUP_ID, instanceGroupId);
+		return deleteInstanceGroups(Action.deleteInstance, instanceIdMap, version, requestId, getRequestUri(requestContext), requestContext);
+	}
+	
+	@POST
+    @Path("/{version:[vV][7]}/instanceGroups/{instanceGroupId}/addMembers")
+	@Consumes(MediaType.APPLICATION_JSON)
+	@Produces(MediaType.APPLICATION_JSON)
+	@ApiOperation(value="Add instanceGroup members",response=Response.class)
+	@Transactional
+    public Response addInstanceGroupMembers(String request, @PathParam("version") String version, @PathParam("instanceGroupId") String instanceGroupId, @Context ContainerRequestContext requestContext) throws ApiException {
+		String requestId = getRequestId(requestContext);
+		HashMap<String, String> instanceIdMap = new HashMap<>();
+		instanceIdMap.put(CommonConstants.INSTANCE_GROUP_ID, instanceGroupId);
+		return serviceInstances(request, Action.addMembers, instanceIdMap, version, requestId, getRequestUri(requestContext));
+	}
+	
+	@POST
+    @Path("/{version:[vV][7]}/instanceGroups/{instanceGroupId}/removeMembers")
+	@Consumes(MediaType.APPLICATION_JSON)
+	@Produces(MediaType.APPLICATION_JSON)
+	@ApiOperation(value="Remove instanceGroup members",response=Response.class)
+	@Transactional
+    public Response removeInstanceGroupMembers(String request, @PathParam("version") String version, @PathParam("instanceGroupId") String instanceGroupId, @Context ContainerRequestContext requestContext) throws ApiException {
+		String requestId = getRequestId(requestContext);
+		HashMap<String, String> instanceIdMap = new HashMap<>();
+		instanceIdMap.put(CommonConstants.INSTANCE_GROUP_ID, instanceGroupId);
+		return serviceInstances(request, Action.removeMembers, instanceIdMap, version, requestId, getRequestUri(requestContext));
+	}
 
 	public String getRequestUri(ContainerRequestContext context){
 		String requestUri = context.getUriInfo().getPath();
 		requestUri = requestUri.substring(requestUri.indexOf("/serviceInstantiation/") + 22);
 		return requestUri;
 	}
+	
+	public void validateHeaders(ContainerRequestContext context) throws ValidationException{
+		MultivaluedMap<String, String> headers = context.getHeaders();
+		if(!headers.containsKey(ONAPLogConstants.Headers.REQUEST_ID)){
+			 throw new ValidationException(ONAPLogConstants.Headers.REQUEST_ID + " header", true);
+		}
+		if(!headers.containsKey(ONAPLogConstants.Headers.PARTNER_NAME)){
+			throw new ValidationException(ONAPLogConstants.Headers.PARTNER_NAME + " header", true);
+		}
+		if(!headers.containsKey(MsoLogger.REQUESTOR_ID)){
+			throw new ValidationException(MsoLogger.REQUESTOR_ID + " header", true);
+		}
+	}
     
 	public Response serviceInstances(String requestJSON, Actions action, HashMap<String, String> instanceIdMap, String version, String requestId, String requestUri) throws ApiException {
 		String serviceInstanceId = (instanceIdMap ==null)? null:instanceIdMap.get("serviceInstanceId");
@@ -624,7 +689,7 @@
 		long startTime = System.currentTimeMillis ();
 		ServiceInstancesRequest sir = null;
 		String apiVersion = version.substring(1);
-
+		
 		sir = convertJsonToServiceInstanceRequest(requestJSON, action, startTime, sir, msoRequest, requestId, requestUri);
 		String requestScope = deriveRequestScope(action, sir, requestUri);
 		InfraActiveRequests currentActiveReq =  msoRequest.createRequestObject (sir,  action, requestId, Status.PENDING, requestJSON, requestScope);
@@ -672,6 +737,8 @@
 			ModelInfo modelInfo =  sir.getRequestDetails().getModelInfo();
 			if (action == Action.applyUpdatedConfig || action == Action.inPlaceSoftwareUpdate) {
 				modelType = ModelType.vnf;
+			}else if(action == Action.addMembers || action == Action.removeMembers){
+				modelType = ModelType.instanceGroup;
 			}else {
 				modelType =modelInfo.getModelType();
 			}
@@ -719,7 +786,7 @@
 		String volumeGroupId = "";
 		String networkId = "";
 		String correlationId = "";
-
+		String instanceGroupId = null;
 		if(sir.getServiceInstanceId () != null){
 			serviceInstanceId = sir.getServiceInstanceId ();
 		}
@@ -739,6 +806,9 @@
 		if(sir.getNetworkInstanceId () != null){
 			networkId = sir.getNetworkInstanceId ();
 		}
+		if(sir.getInstanceGroupId() != null){
+			instanceGroupId = sir.getInstanceGroupId();
+		}
 
         correlationId = getCorrelationId(sir);
 
@@ -756,9 +826,93 @@
 			aLaCarte = false;
 		}
 		
-		return postBPELRequest(currentActiveReq,action, requestId, startTime, requestJSON, recipeLookupResult.getOrchestrationURI(), recipeLookupResult.getRecipeTimeout(), 
-								isBaseVfModule, serviceInstanceId, correlationId, vnfId, vfModuleId, volumeGroupId, networkId, null,
-								serviceInstanceType,vnfType, vfModuleType,networkType, apiVersion, aLaCarte, requestUri, null, requestScope, sir);
+		RequestClientParameter requestClientParameter = null;
+		try {
+			requestClientParameter = new RequestClientParameter.Builder()
+						.setRequestId(requestId)
+						.setBaseVfModule(isBaseVfModule)
+						.setRecipeTimeout(recipeLookupResult.getRecipeTimeout())
+						.setRequestAction(action.toString())
+						.setServiceInstanceId(serviceInstanceId)
+						.setCorrelationId(correlationId)
+						.setVnfId(vnfId)
+						.setVfModuleId(vfModuleId)
+						.setVolumeGroupId(volumeGroupId)
+						.setNetworkId(networkId)
+						.setServiceType(serviceInstanceType)
+						.setVnfType(vnfType)
+						.setVfModuleType(vfModuleType)
+						.setNetworkType(networkType)
+						.setRequestDetails(mapJSONtoMSOStyle(requestJSON, sir, aLaCarte, action))
+						.setApiVersion(apiVersion)
+						.setALaCarte(aLaCarte)
+						.setRequestUri(requestUri)
+						.setInstanceGroupId(instanceGroupId).build();
+		} catch (IOException e) {
+			ErrorLoggerInfo errorLoggerInfo = new ErrorLoggerInfo.Builder(MessageEnum.APIH_BPEL_RESPONSE_ERROR, MsoLogger.ErrorCode.SchemaError).errorSource(Constants.MSO_PROP_APIHANDLER_INFRA).build();
+			throw new ValidateException.Builder("Unable to generate RequestClientParamter object" + e.getMessage(), HttpStatus.SC_INTERNAL_SERVER_ERROR, ErrorNumbers.SVC_BAD_PARAMETER)
+	                  .errorInfo(errorLoggerInfo).build();
+		}
+		return postBPELRequest(currentActiveReq, requestClientParameter, recipeLookupResult.getOrchestrationURI(), requestScope);
+	}
+	public Response deleteInstanceGroups(Actions action, HashMap<String, String> instanceIdMap, String version, String requestId, String requestUri, ContainerRequestContext requestContext) throws ApiException {
+		String instanceGroupId = instanceIdMap.get(CommonConstants.INSTANCE_GROUP_ID);
+		Boolean aLaCarte = true;
+		long startTime = System.currentTimeMillis ();
+		String apiVersion = version.substring(1);
+		ServiceInstancesRequest sir = new ServiceInstancesRequest();
+		sir.setInstanceGroupId(instanceGroupId);
+	
+		String requestScope = ModelType.instanceGroup.toString();
+		InfraActiveRequests currentActiveReq =  msoRequest.createRequestObject (sir,  action, requestId, Status.PENDING, null, requestScope);
+		setInstanceId(currentActiveReq, requestScope, null, instanceIdMap);
+		try {
+			validateHeaders(requestContext);
+		} catch (ValidationException e) {
+			msoLogger.error(e);
+            ErrorLoggerInfo errorLoggerInfo = new ErrorLoggerInfo.Builder(MessageEnum.APIH_VALIDATION_ERROR, MsoLogger.ErrorCode.SchemaError).errorSource(Constants.MSO_PROP_APIHANDLER_INFRA).build();
+            ValidateException validateException = new ValidateException.Builder(e.getMessage(), HttpStatus.SC_BAD_REQUEST, ErrorNumbers.SVC_BAD_PARAMETER).cause(e)
+                        .errorInfo(errorLoggerInfo).build();
+            updateStatus(currentActiveReq, Status.FAILED, validateException.getMessage());
+            throw validateException;
+		}
+		
+		InfraActiveRequests dup = duplicateCheck(action, instanceIdMap, startTime, msoRequest, null, requestScope, currentActiveReq);
+
+		if (dup != null) {
+            buildErrorOnDuplicateRecord(currentActiveReq, action, instanceIdMap, startTime, msoRequest, null, requestScope, dup);
+		}
+		
+		ServiceInstancesResponse serviceResponse = new ServiceInstancesResponse();
+
+		RequestReferences referencesResponse = new RequestReferences();
+
+		referencesResponse.setRequestId(requestId);
+
+		serviceResponse.setRequestReferences(referencesResponse);
+		Boolean isBaseVfModule = false;
+
+        RecipeLookupResult recipeLookupResult = new RecipeLookupResult("/mso/async/services/WorkflowActionBB", 180);
+								
+        try{
+            infraActiveRequestsClient.save(currentActiveReq);
+        }catch(Exception e){
+            ErrorLoggerInfo errorLoggerInfo = new ErrorLoggerInfo.Builder(MessageEnum.APIH_DB_ACCESS_EXC, MsoLogger.ErrorCode.DataError).errorSource(Constants.MSO_PROP_APIHANDLER_INFRA).build();
+            throw new RequestDbFailureException.Builder(SAVE_TO_DB, e.toString(), HttpStatus.SC_INTERNAL_SERVER_ERROR, ErrorNumbers.SVC_DETAILED_SERVICE_ERROR).cause(e)
+                    .errorInfo(errorLoggerInfo).build();
+        }
+        
+		RequestClientParameter requestClientParameter = new RequestClientParameter.Builder()
+					.setRequestId(requestId)
+					.setBaseVfModule(isBaseVfModule)
+					.setRecipeTimeout(recipeLookupResult.getRecipeTimeout())
+					.setRequestAction(action.toString())
+					.setApiVersion(apiVersion)
+					.setALaCarte(aLaCarte)
+					.setRequestUri(requestUri)
+					.setInstanceGroupId(instanceGroupId).build();
+		
+		return postBPELRequest(currentActiveReq, requestClientParameter, recipeLookupResult.getOrchestrationURI(), requestScope);
 	}
 
 	private String getCorrelationId(ServiceInstancesRequest sir) {
@@ -772,6 +926,8 @@
 	private String deriveRequestScope(Actions action, ServiceInstancesRequest sir, String requestUri) {
 		if(action == Action.inPlaceSoftwareUpdate || action == Action.applyUpdatedConfig){
 			return (ModelType.vnf.name());
+		}else if(action == Action.addMembers || action == Action.removeMembers){
+			return(ModelType.instanceGroup.toString());
 		}else{
 			String requestScope;
 			if(sir.getRequestDetails().getModelInfo().getModelType() == null){
@@ -799,38 +955,12 @@
 		}
 		return requestScope;
 	}
-	private Response postBPELRequest(InfraActiveRequests currentActiveReq, Actions action, String requestId, long startTime, String msoRawRequest,
-									String orchestrationUri, int timeOut, Boolean isBaseVfModule,
-									String serviceInstanceId, String correlationId, String vnfId, String vfModuleId, String volumeGroupId, String networkId,
-                                     String configurationId, String serviceInstanceType, String vnfType, String vfModuleType, String networkType, 
-                                     String apiVersion, boolean aLaCarte, String requestUri, String paramXsd, String requestScope, ServiceInstancesRequest sir) throws ApiException {
+	private Response postBPELRequest(InfraActiveRequests currentActiveReq, RequestClientParameter requestClientParameter, String orchestrationUri, String requestScope)throws ApiException {
 		RequestClient requestClient = null;
 		HttpResponse response = null;
 		try {
 			requestClient = reqClientFactory.getRequestClient (orchestrationUri);
-			response = requestClient.post(new RequestClientParameter.Builder()
-					.setRequestId(requestId)
-					.setBaseVfModule(isBaseVfModule)
-					.setRecipeTimeout(timeOut)
-					.setRequestAction(action.toString())
-					.setServiceInstanceId(serviceInstanceId)
-					.setCorrelationId(correlationId)
-					.setVnfId(vnfId)
-					.setVfModuleId(vfModuleId)
-					.setVolumeGroupId(volumeGroupId)
-					.setNetworkId(networkId)
-					.setConfigurationId(configurationId)
-					.setServiceType(serviceInstanceType)
-					.setVnfType(vnfType)
-					.setVfModuleType(vfModuleType)
-					.setNetworkType(networkType)
-					.setRequestDetails(mapJSONtoMSOStyle(msoRawRequest, sir, aLaCarte, action))
-					.setApiVersion(apiVersion)
-					.setALaCarte(aLaCarte)
-					.setRecipeParamXsd(paramXsd)
-					.setRequestUri(requestUri).build());
-			
-			
+			response = requestClient.post(requestClientParameter);
 		} catch (Exception e) {
 			
             ErrorLoggerInfo errorLoggerInfo = new ErrorLoggerInfo.Builder(MessageEnum.APIH_BPEL_COMMUNICATE_ERROR, MsoLogger.ErrorCode.AvailabilityError).errorSource(Constants.MSO_PROP_APIHANDLER_INFRA).build();
@@ -874,8 +1004,8 @@
 				try {
 					ObjectMapper mapper = new ObjectMapper();
 					jsonResponse = mapper.readValue(camundaResp.getResponse(), ServiceInstancesResponse.class);
-					jsonResponse.getRequestReferences().setRequestId(requestId);
-					Optional<URL> selfLinkUrl = msoRequest.buildSelfLinkUrl(currentActiveReq.getRequestUrl(), requestId);
+					jsonResponse.getRequestReferences().setRequestId(requestClientParameter.getRequestId());
+					Optional<URL> selfLinkUrl = msoRequest.buildSelfLinkUrl(currentActiveReq.getRequestUrl(), requestClientParameter.getRequestId());
 					if(selfLinkUrl.isPresent()){
 						jsonResponse.getRequestReferences().setRequestSelfLink(selfLinkUrl.get());
 					} else {
@@ -900,7 +1030,8 @@
 		            throw new RequestDbFailureException.Builder(SAVE_TO_DB, e.toString(), HttpStatus.SC_INTERNAL_SERVER_ERROR, ErrorNumbers.SVC_DETAILED_SERVICE_ERROR).cause(e)
 		                    .errorInfo(errorLoggerInfo).build();
 				}
-				return builder.buildResponse(HttpStatus.SC_ACCEPTED, requestId, jsonResponse, apiVersion);
+				
+				return builder.buildResponse(HttpStatus.SC_ACCEPTED, requestClientParameter.getRequestId(), jsonResponse, requestClientParameter.getApiVersion());
 			} 
 		}
 			
@@ -943,6 +1074,8 @@
 				currentActiveReq.setNetworkId(instanceId);
 			} else if(ModelType.configuration.name().equalsIgnoreCase(requestScope)) {
 				currentActiveReq.setConfigurationId(instanceId);
+			}else if(ModelType.instanceGroup.toString().equalsIgnoreCase(requestScope)){
+				currentActiveReq.setInstanceGroupId(instanceId);
 			}
 		} else if(instanceIdMap != null && !instanceIdMap.isEmpty()) {
 			if(instanceIdMap.get("serviceInstanceId") != null){
@@ -963,21 +1096,27 @@
         	if(instanceIdMap.get("configurationInstanceId") != null){
         		currentActiveReq.setConfigurationId(instanceIdMap.get("configurationInstanceId"));
         	}
+        	if(instanceIdMap.get("InstanceGroupInstanceId") != null){
+        		currentActiveReq.setInstanceGroupId(instanceIdMap.get("InstanceGroupInstanceId"));
+        	}
 		}
 	}
 
     protected String mapJSONtoMSOStyle(String msoRawRequest, ServiceInstancesRequest serviceInstRequest, boolean isAlaCarte, Actions action) throws IOException {
     	ObjectMapper mapper = new ObjectMapper();    	
     	mapper.setSerializationInclusion(Include.NON_NULL);    	
-    	ServiceInstancesRequest sir = mapper.readValue(msoRawRequest, ServiceInstancesRequest.class);    	
-    	if(	!isAlaCarte && Action.createInstance.equals(action) && serviceInstRequest != null && 
-    		serviceInstRequest.getRequestDetails() != null && 
-    		serviceInstRequest.getRequestDetails().getRequestParameters() != null) {
-	    	sir.getRequestDetails().setCloudConfiguration(serviceInstRequest.getRequestDetails().getCloudConfiguration());
-	    	sir.getRequestDetails().getRequestParameters().setUserParams(serviceInstRequest.getRequestDetails().getRequestParameters().getUserParams());
+    	if(msoRawRequest != null){
+	    	ServiceInstancesRequest sir = mapper.readValue(msoRawRequest, ServiceInstancesRequest.class);    	
+	    	if(	!isAlaCarte && Action.createInstance.equals(action) && serviceInstRequest != null && 
+	    		serviceInstRequest.getRequestDetails() != null && 
+	    		serviceInstRequest.getRequestDetails().getRequestParameters() != null) {
+		    	sir.getRequestDetails().setCloudConfiguration(serviceInstRequest.getRequestDetails().getCloudConfiguration());
+		    	sir.getRequestDetails().getRequestParameters().setUserParams(serviceInstRequest.getRequestDetails().getRequestParameters().getUserParams());
+	    	}
+	    	msoLogger.debug("Value as string: " + mapper.writeValueAsString(sir));
+	    	return mapper.writeValueAsString(sir);
     	}
-    	msoLogger.debug("Value as string: " + mapper.writeValueAsString(sir));
-    	return mapper.writeValueAsString(sir);
+    	return null;
 	}
 
     private void buildErrorOnDuplicateRecord(InfraActiveRequests currentActiveReq, Actions action, HashMap<String, String> instanceIdMap, long startTime, MsoRequest msoRequest,
@@ -1065,7 +1204,9 @@
 		
 		if (action == Action.applyUpdatedConfig || action == Action.inPlaceSoftwareUpdate) {
 			recipeLookupResult = getDefaultVnfUri(sir, action);
-        } else if (modelInfo.getModelType().equals(ModelType.service)) {
+        }else if(action == Action.addMembers || action == Action.removeMembers){
+        	recipeLookupResult = new RecipeLookupResult("/mso/async/services/WorkflowActionBB", 180);
+        }else if (modelInfo.getModelType().equals(ModelType.service)) {
 			try {
 			recipeLookupResult = getServiceURI(sir, action,alaCarteFlag);
 			} catch (IOException e) {
@@ -1107,7 +1248,9 @@
                 updateStatus(currentActiveReq, Status.FAILED, validateException.getMessage());
 
                 throw validateException;
-		}
+            }
+        }else if(modelInfo.getModelType().equals(ModelType.instanceGroup)){
+        	recipeLookupResult = new RecipeLookupResult("/mso/async/services/WorkflowActionBB", 180);
         }
 
         if (recipeLookupResult == null) {
@@ -1672,9 +1815,27 @@
 		}else if(aLaCarte == null){
 			aLaCarte = false;
 		}
-	
-		return postBPELRequest(currentActiveReq,action, requestId, startTime, requestJSON, orchestrationUri, Integer.parseInt(timeOut), false, 
-								serviceInstanceId, correlationId, null, null, null, null, configurationId, null, null, null, null, apiVersion, aLaCarte, requestUri, null, requestScope, null);
+		RequestClientParameter requestClientParameter = null;
+		try {
+			requestClientParameter = new RequestClientParameter.Builder()
+				.setRequestId(requestId)
+				.setBaseVfModule(false)
+				.setRecipeTimeout(Integer.parseInt(timeOut))
+				.setRequestAction(action.toString())
+				.setServiceInstanceId(serviceInstanceId)
+				.setCorrelationId(correlationId)
+				.setConfigurationId(configurationId)
+				.setRequestDetails(mapJSONtoMSOStyle(requestJSON, sir, aLaCarte, action))
+				.setApiVersion(apiVersion)
+				.setALaCarte(aLaCarte)
+				.setRequestUri(requestUri).build();
+		} catch (IOException e) {
+			ErrorLoggerInfo errorLoggerInfo = new ErrorLoggerInfo.Builder(MessageEnum.APIH_BPEL_RESPONSE_ERROR, MsoLogger.ErrorCode.SchemaError).errorSource(Constants.MSO_PROP_APIHANDLER_INFRA).build();
+			throw new ValidateException.Builder("Unable to generate RequestClientParamter object" + e.getMessage(), HttpStatus.SC_INTERNAL_SERVER_ERROR, ErrorNumbers.SVC_BAD_PARAMETER)
+	                    .errorInfo(errorLoggerInfo).build();
+		}
+				
+			return postBPELRequest(currentActiveReq, requestClientParameter, orchestrationUri, requestScope);
 	}
 
     public String getRequestId(ContainerRequestContext requestContext) throws ValidateException {
diff --git a/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/validation/CloudConfigurationValidation.java b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/validation/CloudConfigurationValidation.java
index b0ea857..937ce19 100644
--- a/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/validation/CloudConfigurationValidation.java
+++ b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/validation/CloudConfigurationValidation.java
@@ -39,25 +39,26 @@
 		Actions action = info.getAction();
 		Boolean aLaCarteFlag = info.getALaCarteFlag();
 	
-	
-		if(cloudConfiguration == null && reqVersion >= 5 && (aLaCarteFlag != null && aLaCarteFlag)){
-			if((!requestScope.equalsIgnoreCase(ModelType.service.name()) && !requestScope.equalsIgnoreCase(ModelType.configuration.name())) &&
-					(action == Action.createInstance || action == Action.deleteInstance || action == Action.updateInstance)){
-				throw new ValidationException ("cloudConfiguration");
-			}
-			if((requestScope.equalsIgnoreCase(ModelType.vnf.name()) || requestScope.equalsIgnoreCase(ModelType.vfModule.name())) &&
-					action == Action.replaceInstance){
-				throw new ValidationException ("cloudConfiguration");
-			}
-			if(requestScope.equalsIgnoreCase(ModelType.configuration.name()) &&
-					(action == Action.enablePort || action == Action.disablePort || action == Action.activateInstance || action == Action.deactivateInstance)){
-				throw new ValidationException ("cloudConfiguration");
-			}
-			if(requestScope.equalsIgnoreCase(ModelType.vfModule.name()) && (action == Action.deactivateAndCloudDelete || action == Action.scaleOut)){
-				throw new ValidationException("cloudConfiguration");
-			}
-			if(requestScope.equals(ModelType.vnf.name()) && action == Action.recreateInstance){
-				throw new ValidationException("cloudConfiguration", true);
+		if(!requestScope.equals(ModelType.instanceGroup.toString())){
+			if(cloudConfiguration == null && reqVersion >= 5 && (aLaCarteFlag != null && aLaCarteFlag)){
+				if((!requestScope.equalsIgnoreCase(ModelType.service.name()) && !requestScope.equalsIgnoreCase(ModelType.configuration.name())) &&
+						(action == Action.createInstance || action == Action.deleteInstance || action == Action.updateInstance)){
+					throw new ValidationException ("cloudConfiguration");
+				}
+				if((requestScope.equalsIgnoreCase(ModelType.vnf.name()) || requestScope.equalsIgnoreCase(ModelType.vfModule.name())) &&
+						action == Action.replaceInstance){
+					throw new ValidationException ("cloudConfiguration");
+				}
+				if(requestScope.equalsIgnoreCase(ModelType.configuration.name()) &&
+						(action == Action.enablePort || action == Action.disablePort || action == Action.activateInstance || action == Action.deactivateInstance)){
+					throw new ValidationException ("cloudConfiguration");
+				}
+				if(requestScope.equalsIgnoreCase(ModelType.vfModule.name()) && (action == Action.deactivateAndCloudDelete || action == Action.scaleOut)){
+					throw new ValidationException("cloudConfiguration");
+				}
+				if(requestScope.equals(ModelType.vnf.name()) && action == Action.recreateInstance){
+					throw new ValidationException("cloudConfiguration", true);
+				}
 			}
 		}
 		
diff --git a/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/validation/InstanceIdMapValidation.java b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/validation/InstanceIdMapValidation.java
index a42a13c..f1985e9 100644
--- a/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/validation/InstanceIdMapValidation.java
+++ b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/validation/InstanceIdMapValidation.java
@@ -23,6 +23,7 @@
 
 import java.util.HashMap;
 
+import org.onap.so.apihandler.common.CommonConstants;
 import org.onap.so.exceptions.ValidationException;
 import org.onap.so.serviceinstancebeans.ServiceInstancesRequest;
 import org.onap.so.utils.UUIDChecker;
@@ -75,6 +76,13 @@
         		}
         		sir.setConfigurationId(instanceIdMap.get("configurationInstanceId"));
         	}
+        	
+        	if(instanceIdMap.get(CommonConstants.INSTANCE_GROUP_ID) != null){
+        		if (!UUIDChecker.isValidUUID (instanceIdMap.get (CommonConstants.INSTANCE_GROUP_ID))) {
+        			throw new ValidationException (CommonConstants.INSTANCE_GROUP_ID, true);
+        		}
+        		sir.setInstanceGroupId(instanceIdMap.get(CommonConstants.INSTANCE_GROUP_ID));
+        	}
         }
         return info;
 	}
diff --git a/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/validation/MembersValidation.java b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/validation/MembersValidation.java
new file mode 100644
index 0000000..89bb15d
--- /dev/null
+++ b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/validation/MembersValidation.java
@@ -0,0 +1,69 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017 Huawei Technologies Co., Ltd. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.so.apihandlerinfra.validation;
+
+import org.onap.so.exceptions.ValidationException;
+import org.onap.so.serviceinstancebeans.ModelType;
+import org.onap.so.serviceinstancebeans.RelatedInstance;
+import org.onap.so.serviceinstancebeans.RelatedInstanceList;
+import org.onap.so.serviceinstancebeans.RequestInfo;
+
+public class MembersValidation implements ValidationRule{
+    private static boolean empty(String s) {
+  	  return (s == null || s.trim().isEmpty());
+    }
+	@Override
+	public ValidationInformation validate(ValidationInformation info) throws ValidationException{
+    	RequestInfo requestInfo = info.getSir().getRequestDetails().getRequestInfo();
+    	RelatedInstanceList[] relatedInstanceList = info.getSir().getRequestDetails().getRelatedInstanceList();
+    	boolean vnfRelatedInstance = false;
+    	
+    	if(requestInfo == null){
+    		throw new ValidationException("requestInfo", true);
+    	}else if(empty(requestInfo.getRequestorId())) {
+        	throw new ValidationException ("requestorId", true);
+        }else if (empty (requestInfo.getSource ())) {
+        	throw new ValidationException ("source", true);
+        }
+    	if(relatedInstanceList == null){
+    		throw new ValidationException("related instances", true);
+    	}else{
+    		for(RelatedInstanceList instanceList : relatedInstanceList){
+    			RelatedInstance relatedInstance = instanceList.getRelatedInstance();
+    			ModelType modelType = relatedInstance.getModelInfo().getModelType();
+    			if(empty(relatedInstance.getInstanceId())){
+    				throw new ValidationException("instanceId in relatedInstances", true);
+    			}
+    			if (modelType == null) {
+	          		throw new ValidationException("modelType in relatedInstance", true);
+	          	}
+    			if(modelType == ModelType.vnf){
+    				vnfRelatedInstance = true;
+    			}
+    		}
+    		if(!vnfRelatedInstance){
+    			throw new ValidationException("vnf relatedInstance", true);
+    		}
+    	}
+        return info;
+	}
+}
\ No newline at end of file
diff --git a/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/validation/ModelInfoValidation.java b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/validation/ModelInfoValidation.java
index c6fae6e..e2a1bdc 100644
--- a/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/validation/ModelInfoValidation.java
+++ b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/validation/ModelInfoValidation.java
@@ -30,9 +30,9 @@
 import org.onap.so.serviceinstancebeans.RequestParameters;
 import org.onap.so.utils.UUIDChecker;
 public class ModelInfoValidation implements ValidationRule{
-    private static boolean empty(String s) {
-  	  return (s == null || s.trim().isEmpty());
-    }
+	private static boolean empty(String s) {
+		return (s == null || s.trim().isEmpty());
+	}
 	@Override
 	public ValidationInformation validate(ValidationInformation info) throws ValidationException{
 		ModelInfo modelInfo = info.getSir().getRequestDetails().getModelInfo();
@@ -42,89 +42,96 @@
 		int reqVersion = info.getReqVersion();
 		Boolean aLaCarteFlag = info.getALaCarteFlag();
 
-		if(!empty(modelInfo.getModelNameVersionId())){
-        	modelInfo.setModelVersionId(modelInfo.getModelNameVersionId());
-        }
-		// modelCustomizationId is required when usePreLoad is false for v4 and higher for VF Module Create
-        if(requestParameters != null && reqVersion >= 4 && requestScope.equalsIgnoreCase(ModelType.vfModule.name()) && action == Action.createInstance && !requestParameters.isUsePreload()) {
-        	if(!UUIDChecker.isValidUUID(modelInfo.getModelCustomizationId())) {
-        		throw new ValidationException("modelCustomizationId");
-        	}
-        }
-        
-        // modelCustomizationId is required for v5 and higher for VF Module Replace
-        if(requestParameters != null && reqVersion > 4 && requestScope.equalsIgnoreCase(ModelType.vfModule.name()) && action == Action.replaceInstance) {
-        	if(!UUIDChecker.isValidUUID(modelInfo.getModelCustomizationId())) {
-        		throw new ValidationException("modelCustomizationId");
-        	}
-        }
-        
-        // modelCustomizationId or modelCustomizationName are required for VNF Replace
-        if(requestParameters != null && reqVersion > 4 && requestScope.equalsIgnoreCase(ModelType.vnf.name()) && action == Action.replaceInstance || action == Action.recreateInstance) {
-        	if(!UUIDChecker.isValidUUID(modelInfo.getModelCustomizationId()) && modelInfo.getModelCustomizationName() == null) {
-        		throw new ValidationException("modelCustomizationId or modelCustomizationName");
-        	}
-        }
+		if(!requestScope.equals(ModelType.instanceGroup.toString())){
 
-        //is required for serviceInstance delete macro when aLaCarte=false (v3)
-        //create and updates except for network (except v4)
-        if (empty (modelInfo.getModelInvariantId ()) && ((reqVersion >2 && (aLaCarteFlag != null && !aLaCarteFlag) && requestScope.equalsIgnoreCase(ModelType.service.name()) && action == Action.deleteInstance) ||
-                !(reqVersion < 4 && requestScope.equalsIgnoreCase (ModelType.network.name ())) && 
-                (action == Action.createInstance || action == Action.updateInstance || action == Action.enablePort || action == Action.disablePort || action == Action.addRelationships || action == Action.removeRelationships ||
-                (requestScope.equalsIgnoreCase(ModelType.configuration.name()) && (action == Action.activateInstance || action == Action.deactivateInstance))))) {
-        	throw new ValidationException ("modelInvariantId");
-        }
-        if(empty(modelInfo.getModelInvariantId()) && (requestScope.equalsIgnoreCase(ModelType.vfModule.name()) && action == Action.scaleOut)){
-        	throw new ValidationException("modelInvariantId");
-        }
-        if(empty(modelInfo.getModelInvariantId()) && (requestScope.equalsIgnoreCase(ModelType.vnf.name()) && action == Action.recreateInstance)){
-        	throw new ValidationException("modelInvariantId", true);
-        }
-        if (!empty (modelInfo.getModelInvariantId ()) && !UUIDChecker.isValidUUID (modelInfo.getModelInvariantId ())) {
-        	throw new ValidationException ("modelInvariantId format");
-        }
+			if(!empty(modelInfo.getModelNameVersionId())){
+				modelInfo.setModelVersionId(modelInfo.getModelNameVersionId());
+			}
+			// modelCustomizationId is required when usePreLoad is false for v4 and higher for VF Module Create
+			if(requestParameters != null && reqVersion >= 4 && requestScope.equalsIgnoreCase(ModelType.vfModule.name()) && action == Action.createInstance && !requestParameters.isUsePreload()) {
+				if(!UUIDChecker.isValidUUID(modelInfo.getModelCustomizationId())) {
+					throw new ValidationException("modelCustomizationId");
+				}
+			}
 
-        if(reqVersion >= 4 && !(requestScope.equalsIgnoreCase(ModelType.configuration.name())) && empty (modelInfo.getModelName ()) && (action == Action.createInstance || action == Action.updateInstance || 
-        		action == Action.addRelationships || action == Action.removeRelationships || action == Action.recreateInstance || ((action == Action.deleteInstance || action == Action.scaleOut) && (requestScope.equalsIgnoreCase (ModelType.vfModule.name ()))))){
-        	throw new ValidationException ("modelName", true);
-        }
+			// modelCustomizationId is required for v5 and higher for VF Module Replace
+			if(requestParameters != null && reqVersion > 4 && requestScope.equalsIgnoreCase(ModelType.vfModule.name()) && action == Action.replaceInstance) {
+				if(!UUIDChecker.isValidUUID(modelInfo.getModelCustomizationId())) {
+					throw new ValidationException("modelCustomizationId");
+				}
+			}
 
-        if (empty (modelInfo.getModelVersion ()) && !(requestScope.equalsIgnoreCase(ModelType.configuration.name())) && 
-        		(!(reqVersion < 4 && requestScope.equalsIgnoreCase (ModelType.network.name ())) 
-        				&& (action == Action.createInstance || action == Action.updateInstance || action == Action.addRelationships || action == Action.removeRelationships || action == Action.scaleOut))) {
-        	throw new ValidationException ("modelVersion");
-        }
-        
-        if(empty(modelInfo.getModelVersion()) && (requestScope.equalsIgnoreCase(ModelType.vnf.name()) && action == Action.recreateInstance)){
-        	throw new ValidationException("modelVersion", true);
-        }
+			// modelCustomizationId or modelCustomizationName are required for VNF Replace
+			if(requestParameters != null && reqVersion > 4 && requestScope.equalsIgnoreCase(ModelType.vnf.name()) && action == Action.replaceInstance || action == Action.recreateInstance) {
+				if(!UUIDChecker.isValidUUID(modelInfo.getModelCustomizationId()) && modelInfo.getModelCustomizationName() == null) {
+					throw new ValidationException("modelCustomizationId or modelCustomizationName");
+				}
+			}
 
-        // is required for serviceInstance delete macro when aLaCarte=false in v4
-        if (reqVersion >= 4 && empty (modelInfo.getModelVersionId()) && (((aLaCarteFlag != null && !aLaCarteFlag) && requestScope.equalsIgnoreCase(ModelType.service.name()) && action == Action.deleteInstance) ||
-        		(action == Action.createInstance || action == Action.updateInstance || action == Action.enablePort || action == Action.disablePort || action == Action.addRelationships || action == Action.removeRelationships ||
-        		(requestScope.equalsIgnoreCase(ModelType.configuration.name()) && (action == Action.activateInstance || action == Action.deactivateInstance))))) {
-        	throw new ValidationException ("modelVersionId");
-         }
-        if(empty(modelInfo.getModelVersionId()) && (requestScope.equalsIgnoreCase(ModelType.vnf.name()) && action == Action.recreateInstance)){
-        	throw new ValidationException("modelVersionId", true);
-        }
-        if(empty(modelInfo.getModelVersionId()) && (requestScope.equalsIgnoreCase(ModelType.vfModule.name()) && action == Action.scaleOut)){
-        	throw new ValidationException("modelVersionId");
-        }
-        
-        if(requestScope.equalsIgnoreCase(ModelType.vnf.name()) && action != Action.deleteInstance && empty (modelInfo.getModelCustomizationName ())) {
-        	if (!UUIDChecker.isValidUUID (modelInfo.getModelCustomizationId())) {
-          		throw new ValidationException ("modelCustomizationId or modelCustomizationName");
-          	}
-        }
+			//is required for serviceInstance delete macro when aLaCarte=false (v3)
+			//create and updates except for network (except v4)
+			if (empty (modelInfo.getModelInvariantId ()) && ((reqVersion >2 && (aLaCarteFlag != null && !aLaCarteFlag) && requestScope.equalsIgnoreCase(ModelType.service.name()) && action == Action.deleteInstance) ||
+					!(reqVersion < 4 && requestScope.equalsIgnoreCase (ModelType.network.name ())) && 
+					(action == Action.createInstance || action == Action.updateInstance || action == Action.enablePort || action == Action.disablePort || action == Action.addRelationships || action == Action.removeRelationships ||
+					(requestScope.equalsIgnoreCase(ModelType.configuration.name()) && (action == Action.activateInstance || action == Action.deactivateInstance))))) {
+				throw new ValidationException ("modelInvariantId");
+			}
+			if(empty(modelInfo.getModelInvariantId()) && (requestScope.equalsIgnoreCase(ModelType.vfModule.name()) && action == Action.scaleOut)){
+				throw new ValidationException("modelInvariantId");
+			}
+			if(empty(modelInfo.getModelInvariantId()) && (requestScope.equalsIgnoreCase(ModelType.vnf.name()) && action == Action.recreateInstance)){
+				throw new ValidationException("modelInvariantId", true);
+			}
+			if (!empty (modelInfo.getModelInvariantId ()) && !UUIDChecker.isValidUUID (modelInfo.getModelInvariantId ())) {
+				throw new ValidationException ("modelInvariantId format");
+			}
 
-        if(reqVersion >= 4 && (!UUIDChecker.isValidUUID (modelInfo.getModelCustomizationId())) && (requestScope.equalsIgnoreCase (ModelType.network.name ()) || requestScope.equalsIgnoreCase(ModelType.configuration.name()))
-        		&& (action == Action.updateInstance || action == Action.createInstance)){
-        	throw new ValidationException ("modelCustomizationId");
-        }
-        if(empty(modelInfo.getModelCustomizationId()) && action == Action.scaleOut && !(requestParameters.getTestApi() == TestApi.VNF_API.name() && requestParameters.isUsePreload() == true)){
-        	throw new ValidationException ("modelCustomizationId");
-        }
-        return info;
+			if(reqVersion >= 4 && !(requestScope.equalsIgnoreCase(ModelType.configuration.name())) && empty (modelInfo.getModelName ()) && (action == Action.createInstance || action == Action.updateInstance || 
+					action == Action.addRelationships || action == Action.removeRelationships || action == Action.recreateInstance || ((action == Action.deleteInstance || action == Action.scaleOut) && (requestScope.equalsIgnoreCase (ModelType.vfModule.name ()))))){
+				throw new ValidationException ("modelName", true);
+			}
+
+			if (empty (modelInfo.getModelVersion ()) && !(requestScope.equalsIgnoreCase(ModelType.configuration.name())) && 
+					(!(reqVersion < 4 && requestScope.equalsIgnoreCase (ModelType.network.name ())) 
+							&& (action == Action.createInstance || action == Action.updateInstance || action == Action.addRelationships || action == Action.removeRelationships || action == Action.scaleOut))) {
+				throw new ValidationException ("modelVersion");
+			}
+
+			if(empty(modelInfo.getModelVersion()) && (requestScope.equalsIgnoreCase(ModelType.vnf.name()) && action == Action.recreateInstance)){
+				throw new ValidationException("modelVersion", true);
+			}
+
+			// is required for serviceInstance delete macro when aLaCarte=false in v4
+			if (reqVersion >= 4 && empty (modelInfo.getModelVersionId()) && (((aLaCarteFlag != null && !aLaCarteFlag) && requestScope.equalsIgnoreCase(ModelType.service.name()) && action == Action.deleteInstance) ||
+					(action == Action.createInstance || action == Action.updateInstance || action == Action.enablePort || action == Action.disablePort || action == Action.addRelationships || action == Action.removeRelationships ||
+					(requestScope.equalsIgnoreCase(ModelType.configuration.name()) && (action == Action.activateInstance || action == Action.deactivateInstance))))) {
+				throw new ValidationException ("modelVersionId");
+			}
+			if(empty(modelInfo.getModelVersionId()) && (requestScope.equalsIgnoreCase(ModelType.vnf.name()) && action == Action.recreateInstance)){
+				throw new ValidationException("modelVersionId", true);
+			}
+			if(empty(modelInfo.getModelVersionId()) && (requestScope.equalsIgnoreCase(ModelType.vfModule.name()) && action == Action.scaleOut)){
+				throw new ValidationException("modelVersionId");
+			}
+
+			if(requestScope.equalsIgnoreCase(ModelType.vnf.name()) && action != Action.deleteInstance && empty (modelInfo.getModelCustomizationName ())) {
+				if (!UUIDChecker.isValidUUID (modelInfo.getModelCustomizationId())) {
+					throw new ValidationException ("modelCustomizationId or modelCustomizationName");
+				}
+			}
+
+			if(reqVersion >= 4 && (!UUIDChecker.isValidUUID (modelInfo.getModelCustomizationId())) && (requestScope.equalsIgnoreCase (ModelType.network.name ()) || requestScope.equalsIgnoreCase(ModelType.configuration.name()))
+					&& (action == Action.updateInstance || action == Action.createInstance)){
+				throw new ValidationException ("modelCustomizationId");
+			}
+			if(empty(modelInfo.getModelCustomizationId()) && requestScope.equalsIgnoreCase(ModelType.vfModule.name()) && action == Action.scaleOut && !(requestParameters.getTestApi() == TestApi.VNF_API.name() && requestParameters.isUsePreload() == true)){
+				throw new ValidationException ("modelCustomizationId");
+			}
+		}else{
+			if(empty(modelInfo.getModelVersionId()) && action == Action.createInstance){
+				throw new ValidationException("modelVersionId", true);
+			}
+		}
+		return info;
 	}
-}
\ No newline at end of file
+}
diff --git a/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/validation/RelatedInstancesValidation.java b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/validation/RelatedInstancesValidation.java
index f22294b..c4671ae 100644
--- a/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/validation/RelatedInstancesValidation.java
+++ b/mso-api-handlers/mso-api-handler-infra/src/main/java/org/onap/so/apihandlerinfra/validation/RelatedInstancesValidation.java
@@ -100,9 +100,14 @@
 	          	if (!empty(relatedInstance.getInstanceId ()) && !UUIDChecker.isValidUUID (relatedInstance.getInstanceId ())) {
 	          		throw new ValidationException ("instanceId format in relatedInstance");
 	          	}
-
-
-	          	if (action != Action.deleteInstance) {
+	          	if(empty(relatedInstanceModelInfo.getModelVersionId()) && requestScope.equals(ModelType.instanceGroup.toString()) && relatedInstanceModelInfo.getModelType().equals(ModelType.service)){
+	          		throw new ValidationException("modelVersionId in relatedInstance", true);
+	          	}
+	          	if(requestScope.equalsIgnoreCase(ModelType.instanceGroup.toString()) && relatedInstanceModelInfo.getModelType().equals(ModelType.service)){
+	          		isRelatedServiceInstancePresent = true;
+	          	}
+	          
+	          	if (action != Action.deleteInstance && !requestScope.equalsIgnoreCase(ModelType.instanceGroup.toString())) {
 	          		if(!(	relatedInstanceModelInfo.getModelType().equals(ModelType.volumeGroup) || 
 	          				relatedInstanceModelInfo.getModelType().equals(ModelType.connectionPoint) ||
 	          				relatedInstanceModelInfo.getModelType().equals(ModelType.pnf) ||
@@ -144,7 +149,7 @@
 	          		}
 	          	}
 
-	          	if(relatedInstanceModelInfo.getModelType().equals(ModelType.service)) {
+	          	if(relatedInstanceModelInfo.getModelType().equals(ModelType.service) && !(requestScope.equalsIgnoreCase(ModelType.instanceGroup.toString()) && action == Action.createInstance)) {
 	          		isRelatedServiceInstancePresent = true;
 	          		if (!relatedInstance.getInstanceId ().equals (sir.getServiceInstanceId ())) {
 	          			throw new ValidationException ("serviceInstanceId matching the serviceInstanceId in request URI");
@@ -177,7 +182,11 @@
 	       			throw new ValidationException ("connectionPoint relatedInstance for Port Configuration");
 	       		}
 	       	}
-	       	
+	       	if(requestScope.equals(ModelType.instanceGroup.toString())){
+	       		if(!isRelatedServiceInstancePresent){
+	       			throw new ValidationException("related service instance for instanceGroup request", true);
+	       		}
+	       	}
 	        if(requestScope.equalsIgnoreCase (ModelType.volumeGroup.name ())) {
 	        	if (!isRelatedServiceInstancePresent) {
 	        		throw new ValidationException ("related service instance for volumeGroup request");
@@ -223,6 +232,9 @@
         	 msoLogger.debug ("related instance exception");
         	throw new ValidationException ("related instances");
         }
+	    if(instanceList == null && requestScope.equalsIgnoreCase(ModelType.instanceGroup.toString()) && action == Action.createInstance){
+	    	throw new ValidationException("relatedInstanceList", true);
+	    }
     	info.setVfModuleModelName(vfModuleModelName);
       	info.setServiceInstanceType(serviceInstanceType);
       	info.setVnfType(vnfType);
diff --git a/mso-api-handlers/mso-api-handler-infra/src/test/java/org/onap/so/apihandlerinfra/MsoRequestTest.java b/mso-api-handlers/mso-api-handler-infra/src/test/java/org/onap/so/apihandlerinfra/MsoRequestTest.java
index a9d848f..aa51704 100644
--- a/mso-api-handlers/mso-api-handler-infra/src/test/java/org/onap/so/apihandlerinfra/MsoRequestTest.java
+++ b/mso-api-handlers/mso-api-handler-infra/src/test/java/org/onap/so/apihandlerinfra/MsoRequestTest.java
@@ -179,6 +179,7 @@
 		this.version = "v" + reqVersion;
 		this.instanceIdMapTest.put("serviceInstanceId", "ff305d54-75b4-431b-adb2-eb6b9e5ff000");
 		this.instanceIdMapTest.put("vnfInstanceId", "ff305d54-75b4-431b-adb2-eb6b9e5ff000");
+		this.instanceIdMapTest.put("instanceGroupId", "ff305d54-75b4-431b-adb2-eb6b9e5ff000");
 		thrown.expect(ValidationException.class);
 		thrown.expectMessage(expectedException);
 		this.msoRequest = new MsoRequest();
@@ -243,6 +244,7 @@
 			{"No valid modelVersionId is specified", mapper.readValue(inputStream("/ModelInfo/v5ActivateModelVersionId.json"), ServiceInstancesRequest.class), instanceIdMapTest, Action.activateInstance, 5},
 			{"No valid modelVersionId is specified", mapper.readValue(inputStream("/ModelInfo/ScaleOutNoModelVersionId.json"), ServiceInstancesRequest.class), instanceIdMapTest, Action.scaleOut, 7},
 			{"No valid modelVersionId is specified", mapper.readValue(inputStream("/ModelInfo/VnfRecreateModelVersionId.json"), ServiceInstancesRequest.class), instanceIdMapTest, Action.recreateInstance, 7},
+			{"No valid modelVersionId is specified", mapper.readValue(inputStream("/ModelInfo/CreateInstanceGroupNoModelVersionId.json"), ServiceInstancesRequest.class), instanceIdMapTest, Action.createInstance, 7},
 			//ValidationException for Platform and LineOfBusiness
 			{"No valid lineOfBusinessName is specified", mapper.readValue(inputStream("/PlatformAndLineOfBusiness/EmptyLineOfBusiness.json"), ServiceInstancesRequest.class), instanceIdMapTest, Action.createInstance, 5},
 			{"No valid platform is specified", mapper.readValue(inputStream("/PlatformAndLineOfBusiness/Platform.json"), ServiceInstancesRequest.class), instanceIdMapTest, Action.createInstance, 6},
@@ -286,6 +288,9 @@
 			{"No valid source vnf relatedInstance for Port Configuration is specified", mapper.readValue(inputStream("/RelatedInstances/v5CreateNoSourceRelatedInstance.json"), ServiceInstancesRequest.class), instanceIdMapTest, Action.createInstance, 5},
 			{"No valid vnfInstanceId matching the vnfInstanceId in request URI is specified", mapper.readValue(inputStream("/RelatedInstances/RelatedInstancesVnfInstanceId.json"), ServiceInstancesRequest.class), instanceIdMapTest, Action.activateInstance, 5},
 			{"No valid instanceName format is specified", mapper.readValue(inputStream("/RelatedInstances/InvalidInstanceName.json"), ServiceInstancesRequest.class), instanceIdMapTest, Action.createInstance, 2},
+			{"No valid relatedInstanceList is specified", mapper.readValue(inputStream("/RelatedInstances/CreateInstanceGroupNoRelatedInstances.json"), ServiceInstancesRequest.class), instanceIdMapTest, Action.createInstance, 7},
+			{"No valid related service instance for instanceGroup request is specified", mapper.readValue(inputStream("/RelatedInstances/CreateInstanceGroupService.json"), ServiceInstancesRequest.class), instanceIdMapTest, Action.createInstance, 7},
+			{"No valid modelVersionId in relatedInstance is specified", mapper.readValue(inputStream("/RelatedInstances/CreateInstanceGroupRelatedInstanceModelVersionId.json"), ServiceInstancesRequest.class), instanceIdMapTest, Action.createInstance, 7},
 			//ValidationException for RequestInfo
 			{"No valid requestInfo is specified", mapper.readValue(inputStream("/RequestInfo/RequestInfoNull.json"), ServiceInstancesRequest.class), instanceIdMapTest, Action.createInstance, 5},
 			{"No valid requestInfo is specified", mapper.readValue(inputStream("/RequestInfo/RequestInfo.json"), ServiceInstancesRequest.class), instanceIdMapTest, Action.applyUpdatedConfig, 6},
@@ -328,7 +333,15 @@
 			{"No valid modelCustomizationId in userParams vnf resources is specified", mapper.readValue(inputStream("/RequestParameters/VnfModelCustomizationId.json"), ServiceInstancesRequest.class), instanceIdMapTest, Action.assignInstance, 7},
 			{"No valid modelCustomizationId in userParams network resources is specified", mapper.readValue(inputStream("/RequestParameters/NetworkModelCustomizationId.json"), ServiceInstancesRequest.class), instanceIdMapTest, Action.assignInstance, 7},
 			//Validation for ConfigurationParameters
-			{"No valid configuration parameters is specified", mapper.readValue(inputStream("/ConfigurationParameters/NoConfigurationParameters.json"), ServiceInstancesRequest.class), instanceIdMapTest, Action.scaleOut, 7}
+			{"No valid configuration parameters is specified", mapper.readValue(inputStream("/ConfigurationParameters/NoConfigurationParameters.json"), ServiceInstancesRequest.class), instanceIdMapTest, Action.scaleOut, 7},
+			//Validation for Add and Remove Members
+			{"No valid vnf relatedInstance is specified", mapper.readValue(inputStream("/MembersValidation/RelatedInstancesVnf.json"), ServiceInstancesRequest.class), instanceIdMapTest, Action.addMembers, 7},
+			{"No valid related instances is specified", mapper.readValue(inputStream("/MembersValidation/RelatedInstances.json"), ServiceInstancesRequest.class), instanceIdMapTest, Action.addMembers, 7},
+			{"No valid requestInfo is specified", mapper.readValue(inputStream("/MembersValidation/MembersRequestInfo.json"), ServiceInstancesRequest.class), instanceIdMapTest, Action.addMembers, 7},
+			{"No valid requestorId is specified", mapper.readValue(inputStream("/MembersValidation/MembersRequestorId.json"), ServiceInstancesRequest.class), instanceIdMapTest, Action.addMembers, 7},
+			{"No valid source is specified", mapper.readValue(inputStream("/MembersValidation/AddMembersSource.json"), ServiceInstancesRequest.class), instanceIdMapTest, Action.addMembers, 7},
+			{"No valid instanceId in relatedInstances is specified", mapper.readValue(inputStream("/MembersValidation/AddMembersInstanceId.json"), ServiceInstancesRequest.class), instanceIdMapTest, Action.addMembers, 7},
+			{"No valid modelType in relatedInstance is specified", mapper.readValue(inputStream("/MembersValidation/DeleteMembersModelType.json"), ServiceInstancesRequest.class), instanceIdMapTest, Action.removeMembers, 7}
 		});
 	}
 	@Test
@@ -415,6 +428,18 @@
 		this.msoRequest.parse(sir, instanceIdMapTest, action, version, originalRequestJSON, reqVersion, false);
 	}
 	@Test
+	public void instanceGroupIdHashMapFailureTest() throws JsonParseException, JsonMappingException, IOException, ValidationException{
+		this.sir = mapper.readValue(inputStream("/SuccessfulValidation/InstanceIdHashMap.json"), ServiceInstancesRequest.class);
+		this.instanceIdMapTest.put("instanceGroupId", "test");
+		this.action = Action.createInstance;
+		thrown.expect(ValidationException.class);
+		this.reqVersion = 7;
+		this.version = "v" + reqVersion;
+		thrown.expectMessage("No valid instanceGroupId is specified");
+		this.msoRequest = new MsoRequest();
+		this.msoRequest.parse(sir, instanceIdMapTest, action, version, originalRequestJSON, reqVersion, false);
+	}
+	@Test
 	public void testVfModuleV4UsePreLoad() throws JsonParseException, JsonMappingException, IOException, ValidationException {
 		this.requestJSON = inputStream("/SuccessfulValidation/v4CreateVfModule.json");
 		this.instanceIdMapTest.put("serviceInstanceId", "3eecada1-83a4-4f33-9ed2-7937e7b8dbbc");
diff --git a/mso-api-handlers/mso-api-handler-infra/src/test/java/org/onap/so/apihandlerinfra/ServiceInstancesTest.java b/mso-api-handlers/mso-api-handler-infra/src/test/java/org/onap/so/apihandlerinfra/ServiceInstancesTest.java
index 9371c7e..8d3649a 100644
--- a/mso-api-handlers/mso-api-handler-infra/src/test/java/org/onap/so/apihandlerinfra/ServiceInstancesTest.java
+++ b/mso-api-handlers/mso-api-handler-infra/src/test/java/org/onap/so/apihandlerinfra/ServiceInstancesTest.java
@@ -52,7 +52,6 @@
 import org.onap.so.db.catalog.beans.Service;
 import org.onap.so.db.catalog.beans.ServiceRecipe;
 import org.onap.so.db.request.beans.InfraActiveRequests;
-import org.onap.so.logger.LogConstants;
 import org.onap.so.logger.MsoLogger;
 import org.onap.so.serviceinstancebeans.CloudConfiguration;
 import org.onap.so.serviceinstancebeans.ModelInfo;
@@ -61,7 +60,6 @@
 import org.onap.so.serviceinstancebeans.RequestReferences;
 import org.onap.so.serviceinstancebeans.ServiceInstancesRequest;
 import org.onap.so.serviceinstancebeans.ServiceInstancesResponse;
-import org.slf4j.MDC;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.http.HttpEntity;
@@ -2435,4 +2433,153 @@
         ServiceInstancesResponse realResponse = mapper.readValue(response.getBody(), ServiceInstancesResponse.class);
         assertThat(realResponse, sameBeanAs(expectedResponse).ignoring("requestReferences.requestId"));	
     }
+    @Test
+    public void createInstanceGroup() throws IOException{
+    	stubFor(post(urlPathEqualTo("/mso/async/services/WorkflowActionBB"))
+                .willReturn(aResponse().withHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON)
+                        .withBodyFile("Camunda/TestResponse.json").withStatus(org.apache.http.HttpStatus.SC_OK)));
+    	
+        HttpHeaders headers = new HttpHeaders();
+        //expect
+        ServiceInstancesResponse expectedResponse = new ServiceInstancesResponse();
+        RequestReferences requestReferences = new RequestReferences();
+        requestReferences.setInstanceId("1882939");
+        expectedResponse.setRequestReferences(requestReferences);
+        uri = servInstanceuri + "/v7/instanceGroups";
+        ResponseEntity<String> response = sendRequest(inputStream("/CreateInstanceGroup.json"), uri, HttpMethod.POST, headers);
+
+        ObjectMapper mapper = new ObjectMapper();
+        mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+
+        //then		
+        assertEquals(Response.Status.ACCEPTED.getStatusCode(), response.getStatusCode().value());
+        ServiceInstancesResponse realResponse = mapper.readValue(response.getBody(), ServiceInstancesResponse.class);
+        assertThat(realResponse, sameBeanAs(expectedResponse).ignoring("requestReferences.requestId"));	
+    }
+    @Test
+    public void deleteInstanceGroup() throws IOException{
+    	stubFor(post(urlPathEqualTo("/mso/async/services/WorkflowActionBB"))
+                .willReturn(aResponse().withHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON)
+                        .withBodyFile("Camunda/TestResponse.json").withStatus(org.apache.http.HttpStatus.SC_OK)));
+    	
+        HttpHeaders headers = new HttpHeaders();
+        headers.set(ONAPLogConstants.Headers.REQUEST_ID, "eca3a1b1-43ab-457e-ab1c-367263d148b4");
+        headers.set(ONAPLogConstants.Headers.PARTNER_NAME, "test_name");
+        headers.set(MsoLogger.REQUESTOR_ID, "xxxxxx");
+        //expect
+        ServiceInstancesResponse expectedResponse = new ServiceInstancesResponse();
+        RequestReferences requestReferences = new RequestReferences();
+        requestReferences.setInstanceId("1882939");
+        expectedResponse.setRequestReferences(requestReferences);
+        uri = servInstanceuri + "/v7/instanceGroups/e05864f0-ab35-47d0-8be4-56fd9619ba3c";
+        ResponseEntity<String> response = sendRequest(null, uri, HttpMethod.DELETE, headers);
+
+        ObjectMapper mapper = new ObjectMapper();
+        mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+
+        //then		
+        assertEquals(Response.Status.ACCEPTED.getStatusCode(), response.getStatusCode().value());
+        ServiceInstancesResponse realResponse = mapper.readValue(response.getBody(), ServiceInstancesResponse.class);
+        assertThat(realResponse, sameBeanAs(expectedResponse).ignoring("requestReferences.requestId"));	
+    }
+    @Test
+    public void deleteInstanceGroupNoRequestIdHeader() throws IOException{
+        HttpHeaders headers = new HttpHeaders();
+        headers.set(ONAPLogConstants.Headers.PARTNER_NAME, "test_name");
+        headers.set(MsoLogger.REQUESTOR_ID, "xxxxxx");
+        uri = servInstanceuri + "/v7/instanceGroups/e05864f0-ab35-47d0-8be4-56fd9619ba3c";
+        ResponseEntity<String> response = sendRequest(null, uri, HttpMethod.DELETE, headers);
+
+        ObjectMapper mapper = new ObjectMapper();
+        mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+        mapper.configure(DeserializationFeature.UNWRAP_ROOT_VALUE, true);
+
+        //then		
+        assertEquals(Response.Status.BAD_REQUEST.getStatusCode(), response.getStatusCode().value());
+        RequestError realResponse = mapper.readValue(response.getBody(), RequestError.class);
+        assertEquals(realResponse.getServiceException().getText(), "No valid X-ONAP-RequestID header is specified");	
+    }
+    @Test
+    public void deleteInstanceGroupNoPartnerNameHeader() throws IOException{
+        HttpHeaders headers = new HttpHeaders();
+        headers.set(ONAPLogConstants.Headers.REQUEST_ID, "eca3a1b1-43ab-457e-ab1c-367263d148b4");
+        headers.set(MsoLogger.REQUESTOR_ID, "xxxxxx");
+        uri = servInstanceuri + "/v7/instanceGroups/e05864f0-ab35-47d0-8be4-56fd9619ba3c";
+        ResponseEntity<String> response = sendRequest(null, uri, HttpMethod.DELETE, headers);
+
+        ObjectMapper mapper = new ObjectMapper();
+        mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+        mapper.configure(DeserializationFeature.UNWRAP_ROOT_VALUE, true);
+
+        //then		
+        assertEquals(Response.Status.BAD_REQUEST.getStatusCode(), response.getStatusCode().value());
+        RequestError realResponse = mapper.readValue(response.getBody(), RequestError.class);
+        assertEquals(realResponse.getServiceException().getText(), "No valid X-ONAP-PartnerName header is specified");	
+    }
+    @Test
+    public void deleteInstanceGroupNoRquestorIdHeader() throws IOException{
+        HttpHeaders headers = new HttpHeaders();
+        headers.set(ONAPLogConstants.Headers.REQUEST_ID, "eca3a1b1-43ab-457e-ab1c-367263d148b4");
+        headers.set(ONAPLogConstants.Headers.PARTNER_NAME, "eca3a1b1-43ab-457e-ab1c-367263d148b4");
+        //expect
+        ServiceInstancesResponse expectedResponse = new ServiceInstancesResponse();
+        RequestReferences requestReferences = new RequestReferences();
+        requestReferences.setInstanceId("1882939");
+        expectedResponse.setRequestReferences(requestReferences);
+        uri = servInstanceuri + "/v7/instanceGroups/e05864f0-ab35-47d0-8be4-56fd9619ba3c";
+        ResponseEntity<String> response = sendRequest(null, uri, HttpMethod.DELETE, headers);
+
+        ObjectMapper mapper = new ObjectMapper();
+        mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+        mapper.configure(DeserializationFeature.UNWRAP_ROOT_VALUE, true);
+
+        //then		
+        assertEquals(Response.Status.BAD_REQUEST.getStatusCode(), response.getStatusCode().value());
+        RequestError realResponse = mapper.readValue(response.getBody(), RequestError.class);
+        assertEquals(realResponse.getServiceException().getText(), "No valid X-RequestorID header is specified");	
+    }
+    @Test
+    public void addMembers() throws IOException{
+    	stubFor(post(urlPathEqualTo("/mso/async/services/WorkflowActionBB"))
+                .willReturn(aResponse().withHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON)
+                        .withBodyFile("Camunda/TestResponse.json").withStatus(org.apache.http.HttpStatus.SC_OK)));
+    	HttpHeaders headers = new HttpHeaders();
+        //expect 
+        ServiceInstancesResponse expectedResponse = new ServiceInstancesResponse();
+        RequestReferences requestReferences = new RequestReferences();
+        requestReferences.setInstanceId("1882939");
+        expectedResponse.setRequestReferences(requestReferences);
+        uri = servInstanceuri + "/v7/instanceGroups/e05864f0-ab35-47d0-8be4-56fd9619ba3c/addMembers";
+        ResponseEntity<String> response = sendRequest(inputStream("/AddMembers.json"), uri, HttpMethod.POST, headers);
+
+        ObjectMapper mapper = new ObjectMapper();
+        mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+
+        //then		
+        assertEquals(Response.Status.ACCEPTED.getStatusCode(), response.getStatusCode().value());
+        ServiceInstancesResponse realResponse = mapper.readValue(response.getBody(), ServiceInstancesResponse.class);
+        assertThat(realResponse, sameBeanAs(expectedResponse).ignoring("requestReferences.requestId"));	
+    }
+    @Test
+    public void removeMembers() throws IOException{
+    	stubFor(post(urlPathEqualTo("/mso/async/services/WorkflowActionBB"))
+                .willReturn(aResponse().withHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON)
+                        .withBodyFile("Camunda/TestResponse.json").withStatus(org.apache.http.HttpStatus.SC_OK)));
+    	HttpHeaders headers = new HttpHeaders();
+        //expect
+        ServiceInstancesResponse expectedResponse = new ServiceInstancesResponse();
+        RequestReferences requestReferences = new RequestReferences();
+        requestReferences.setInstanceId("1882939");
+        expectedResponse.setRequestReferences(requestReferences);
+        uri = servInstanceuri + "/v7/instanceGroups/e05864f0-ab35-47d0-8be4-56fd9619ba3c/removeMembers";
+        ResponseEntity<String> response = sendRequest(inputStream("/RemoveMembers.json"), uri, HttpMethod.POST, headers);
+
+        ObjectMapper mapper = new ObjectMapper();
+        mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+
+        //then		
+        assertEquals(Response.Status.ACCEPTED.getStatusCode(), response.getStatusCode().value());
+        ServiceInstancesResponse realResponse = mapper.readValue(response.getBody(), ServiceInstancesResponse.class);
+        assertThat(realResponse, sameBeanAs(expectedResponse).ignoring("requestReferences.requestId"));	
+    }
 }
diff --git a/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/MembersValidation/AddMembersInstanceId.json b/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/MembersValidation/AddMembersInstanceId.json
new file mode 100644
index 0000000..1080513
--- /dev/null
+++ b/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/MembersValidation/AddMembersInstanceId.json
@@ -0,0 +1,17 @@
+{
+  "requestDetails": {
+    "requestInfo": {
+      "source": "VID",
+      "requestorId": "xxxxxx"
+    },
+    "relatedInstanceList": [
+      {
+        "relatedInstance": {
+          "modelInfo": {
+            "modelType": "vnf"
+          }
+        }
+      }
+    ]
+  }
+}
diff --git a/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/MembersValidation/AddMembersSource.json b/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/MembersValidation/AddMembersSource.json
new file mode 100644
index 0000000..ca4798e
--- /dev/null
+++ b/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/MembersValidation/AddMembersSource.json
@@ -0,0 +1,17 @@
+{
+  "requestDetails": {
+    "requestInfo": {
+      "requestorId": "xxxxxx"
+    },
+    "relatedInstanceList": [
+      {
+        "relatedInstance": {
+          "instanceId": "{the to be related vnf-id}",
+          "modelInfo": {
+            "modelType": "vnf"
+          }
+        }
+      }
+    ]
+  }
+}
diff --git a/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/MembersValidation/DeleteMembersModelType.json b/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/MembersValidation/DeleteMembersModelType.json
new file mode 100644
index 0000000..d3afee1
--- /dev/null
+++ b/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/MembersValidation/DeleteMembersModelType.json
@@ -0,0 +1,17 @@
+{
+  "requestDetails": {
+    "requestInfo": {
+      "source": "VID",
+      "requestorId": "xxxxxx"
+    },
+    "relatedInstanceList": [
+      {
+        "relatedInstance": {
+          "instanceId": "{the to be related vnf-id}",
+          "modelInfo": {
+          }
+        }
+      }
+    ]
+  }
+}
diff --git a/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/MembersValidation/MembersRequestInfo.json b/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/MembersValidation/MembersRequestInfo.json
new file mode 100644
index 0000000..c4240a8
--- /dev/null
+++ b/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/MembersValidation/MembersRequestInfo.json
@@ -0,0 +1,14 @@
+{
+  "requestDetails": {
+    "relatedInstanceList": [
+      {
+        "relatedInstance": {
+          "instanceId": "{the to be related vnf-id}",
+          "modelInfo": {
+            "modelType": "vnf"
+          }
+        }
+      }
+    ]
+  }
+}
\ No newline at end of file
diff --git a/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/MembersValidation/MembersRequestorId.json b/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/MembersValidation/MembersRequestorId.json
new file mode 100644
index 0000000..8564b60
--- /dev/null
+++ b/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/MembersValidation/MembersRequestorId.json
@@ -0,0 +1,17 @@
+{
+	"requestDetails": {
+	    "requestInfo": {
+	      "source": "VID"
+	    },
+	    "relatedInstanceList": [
+	      {
+	        "relatedInstance": {
+	          "instanceId": "{the to be removed as member vnf-id}",
+	          "modelInfo": {
+	            "modelType": "vnf"
+	          }
+	        }
+	      }
+	    ]
+	  }
+}
diff --git a/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/MembersValidation/RelatedInstances.json b/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/MembersValidation/RelatedInstances.json
new file mode 100644
index 0000000..616f79b
--- /dev/null
+++ b/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/MembersValidation/RelatedInstances.json
@@ -0,0 +1,15 @@
+{
+  "requestDetails": {
+    "modelInfo": {
+      "modelType": "instanceGroup",
+      "modelVersionId": "ddcbbf3d-f2c1-4ca0-8852-76a807285efc"
+    },
+    "requestInfo": {
+      "source": "VID",
+      "requestorId": "xxxxxx"
+    },
+    "requestParameters": {
+      "userParams": []
+    }
+  }
+}
\ No newline at end of file
diff --git a/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/MembersValidation/RelatedInstancesVnf.json b/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/MembersValidation/RelatedInstancesVnf.json
new file mode 100644
index 0000000..0d33964
--- /dev/null
+++ b/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/MembersValidation/RelatedInstancesVnf.json
@@ -0,0 +1,25 @@
+{
+  "requestDetails": {
+    "modelInfo": {
+      "modelType": "instanceGroup",
+      "modelVersionId": "ddcbbf3d-f2c1-4ca0-8852-76a807285efc"
+    },
+    "requestInfo": {
+      "source": "VID",
+      "requestorId": "xxxxxx"
+    },
+    "relatedInstanceList": [
+      {
+        "relatedInstance": {
+          "instanceId": "96f40d14-705d-40d9-b829-3dab90811321",
+          "modelInfo": {
+            "modelType": "vfModule"
+          }
+        }
+      }
+    ],
+    "requestParameters": {
+      "userParams": []
+    }
+  }
+}
\ No newline at end of file
diff --git a/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/ModelInfo/CreateInstanceGroupNoModelVersionId.json b/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/ModelInfo/CreateInstanceGroupNoModelVersionId.json
new file mode 100644
index 0000000..0bac9ce
--- /dev/null
+++ b/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/ModelInfo/CreateInstanceGroupNoModelVersionId.json
@@ -0,0 +1,25 @@
+{
+  "requestDetails": {
+    "modelInfo": {
+      "modelType": "instanceGroup"
+    },
+    "requestInfo": {
+      "source": "VID",
+      "requestorId": "xxxxxx"
+    },
+    "relatedInstanceList": [
+      {
+        "relatedInstance": {
+          "instanceId": "96f40d14-705d-40d9-b829-3dab90811321",
+          "modelInfo": {
+            "modelType": "service"
+          }
+        }
+      }
+    ],
+    "requestParameters": {
+      "userParams": []
+    }
+  }
+}
+
diff --git a/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/RelatedInstances/CreateInstanceGroupNoModelCustomizationId.json b/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/RelatedInstances/CreateInstanceGroupNoModelCustomizationId.json
new file mode 100644
index 0000000..058daf2
--- /dev/null
+++ b/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/RelatedInstances/CreateInstanceGroupNoModelCustomizationId.json
@@ -0,0 +1,33 @@
+{
+  "requestDetails": {
+    "modelInfo": {
+      "modelType": "instanceGroup",
+      "modelVersionId": "ddcbbf3d-f2c1-4ca0-8852-76a807285efc"
+    },
+    "requestInfo": {
+      "source": "VID",
+      "requestorId": "xxxxxx"
+    },
+    "relatedInstanceList": [
+      {
+        "relatedInstance": {
+          "instanceId": "96f40d14-705d-40d9-b829-3dab90811321",
+          "modelInfo": {
+            "modelType": "service"
+          }
+        }
+      },
+      {
+        "relatedInstance": {
+          "modelInfo": {
+            "modelType": "service"
+          }
+        }
+      }
+    ],
+    "requestParameters": {
+      "userParams": []
+    }
+  }
+}
+
diff --git a/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/RelatedInstances/CreateInstanceGroupNoRelatedInstances.json b/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/RelatedInstances/CreateInstanceGroupNoRelatedInstances.json
new file mode 100644
index 0000000..5827c52
--- /dev/null
+++ b/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/RelatedInstances/CreateInstanceGroupNoRelatedInstances.json
@@ -0,0 +1,16 @@
+{
+  "requestDetails": {
+    "modelInfo": {
+      "modelType": "instanceGroup",
+      "modelVersionId": "ddcbbf3d-f2c1-4ca0-8852-76a807285efc"
+    },
+    "requestInfo": {
+      "source": "VID",
+      "requestorId": "xxxxxx"
+    },
+    "requestParameters": {
+      "userParams": []
+    }
+  }
+}
+
diff --git a/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/RelatedInstances/CreateInstanceGroupRelatedInstanceModelVersionId.json b/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/RelatedInstances/CreateInstanceGroupRelatedInstanceModelVersionId.json
new file mode 100644
index 0000000..d855078
--- /dev/null
+++ b/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/RelatedInstances/CreateInstanceGroupRelatedInstanceModelVersionId.json
@@ -0,0 +1,25 @@
+{
+  "requestDetails": {
+    "modelInfo": {
+      "modelType": "instanceGroup",
+      "modelVersionId": "ddcbbf3d-f2c1-4ca0-8852-76a807285efc"
+    },
+    "requestInfo": {
+      "source": "VID",
+      "requestorId": "xxxxxx"
+    },
+    "relatedInstanceList": [
+      {
+        "relatedInstance": {
+          "instanceId": "ddcbbf3d-f2c1-4ca0-8852-76a807285efc",
+          "modelInfo": {
+            "modelType": "service"
+          }
+        }
+      }
+    ],
+    "requestParameters": {
+      "userParams": []
+    }
+  }
+}
\ No newline at end of file
diff --git a/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/RelatedInstances/CreateInstanceGroupService.json b/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/RelatedInstances/CreateInstanceGroupService.json
new file mode 100644
index 0000000..0d33964
--- /dev/null
+++ b/mso-api-handlers/mso-api-handler-infra/src/test/resources/MsoRequestTest/RelatedInstances/CreateInstanceGroupService.json
@@ -0,0 +1,25 @@
+{
+  "requestDetails": {
+    "modelInfo": {
+      "modelType": "instanceGroup",
+      "modelVersionId": "ddcbbf3d-f2c1-4ca0-8852-76a807285efc"
+    },
+    "requestInfo": {
+      "source": "VID",
+      "requestorId": "xxxxxx"
+    },
+    "relatedInstanceList": [
+      {
+        "relatedInstance": {
+          "instanceId": "96f40d14-705d-40d9-b829-3dab90811321",
+          "modelInfo": {
+            "modelType": "vfModule"
+          }
+        }
+      }
+    ],
+    "requestParameters": {
+      "userParams": []
+    }
+  }
+}
\ No newline at end of file
diff --git a/mso-api-handlers/mso-api-handler-infra/src/test/resources/ServiceInstanceTest/AddMembers.json b/mso-api-handlers/mso-api-handler-infra/src/test/resources/ServiceInstanceTest/AddMembers.json
new file mode 100644
index 0000000..e9d056c
--- /dev/null
+++ b/mso-api-handlers/mso-api-handler-infra/src/test/resources/ServiceInstanceTest/AddMembers.json
@@ -0,0 +1,18 @@
+{
+  "requestDetails": {
+    "requestInfo": {
+      "source": "VID",
+      "requestorId": "xxxxxx"
+    },
+    "relatedInstanceList": [
+      {
+        "relatedInstance": {
+          "instanceId": "{the to be related vnf-id}",
+          "modelInfo": {
+            "modelType": "vnf"
+          }
+        }
+      }
+    ]
+  }
+}
diff --git a/mso-api-handlers/mso-api-handler-infra/src/test/resources/ServiceInstanceTest/CreateInstanceGroup.json b/mso-api-handlers/mso-api-handler-infra/src/test/resources/ServiceInstanceTest/CreateInstanceGroup.json
new file mode 100644
index 0000000..474c801
--- /dev/null
+++ b/mso-api-handlers/mso-api-handler-infra/src/test/resources/ServiceInstanceTest/CreateInstanceGroup.json
@@ -0,0 +1,26 @@
+{
+  "requestDetails": {
+    "modelInfo": {
+      "modelType": "instanceGroup",
+      "modelVersionId": "ddcbbf3d-f2c1-4ca0-8852-76a807285efc"
+    },
+    "requestInfo": {
+      "source": "VID",
+      "requestorId": "xxxxxx"
+    },
+    "relatedInstanceList": [
+      {
+        "relatedInstance": {
+          "instanceId": "ddcbbf3d-f2c1-4ca0-8852-76a807285efc",
+          "modelInfo": {
+            "modelType": "service",
+            "modelVersionId": "ddcbbf3d-f2c1-4ca0-8852-76a807285efc"
+          }
+        }
+      }
+    ],
+    "requestParameters": {
+      "userParams": []
+    }
+  }
+}
\ No newline at end of file
diff --git a/mso-api-handlers/mso-api-handler-infra/src/test/resources/ServiceInstanceTest/MembersRequestInfo.json b/mso-api-handlers/mso-api-handler-infra/src/test/resources/ServiceInstanceTest/MembersRequestInfo.json
new file mode 100644
index 0000000..58f83ef
--- /dev/null
+++ b/mso-api-handlers/mso-api-handler-infra/src/test/resources/ServiceInstanceTest/MembersRequestInfo.json
@@ -0,0 +1,17 @@
+{
+  "requestDetails": {
+  "requestInfo": {
+      "source": "VID"
+    },
+    "relatedInstanceList": [
+      {
+        "relatedInstance": {
+          "instanceId": "{the to be related vnf-id}",
+          "modelInfo": {
+            "modelType": "vnf"
+          }
+        }
+      }
+    ]
+  }
+}
diff --git a/mso-api-handlers/mso-api-handler-infra/src/test/resources/ServiceInstanceTest/RemoveMembers.json b/mso-api-handlers/mso-api-handler-infra/src/test/resources/ServiceInstanceTest/RemoveMembers.json
new file mode 100644
index 0000000..437f19d
--- /dev/null
+++ b/mso-api-handlers/mso-api-handler-infra/src/test/resources/ServiceInstanceTest/RemoveMembers.json
@@ -0,0 +1,18 @@
+{
+	"requestDetails": {
+	    "requestInfo": {
+	      "source": "VID",
+	      "requestorId": "xxxxxx"
+	    },
+	    "relatedInstanceList": [
+	      {
+	        "relatedInstance": {
+	          "instanceId": "{the to be removed as member vnf-id}",
+	          "modelInfo": {
+	            "modelType": "vnf"
+	          }
+	        }
+	      }
+	    ]
+	  }
+}