Add substitution filter UI support

Issue-ID: SDC-3195
Signed-off-by: aribeiro <anderson.ribeiro@est.tech>
Change-Id: Idc6301a1ab7442f8d2d59931abf0a0741cc8e410
diff --git a/catalog-ui/src/app/utils/constants.ts b/catalog-ui/src/app/utils/constants.ts
index f2efc42..a4bceb5 100644
--- a/catalog-ui/src/app/utils/constants.ts
+++ b/catalog-ui/src/app/utils/constants.ts
@@ -366,6 +366,10 @@
     static ON_DEPENDENCY_CHANGE = 'onDependencyStatusChange';
 }
 
+export class SUBSTITUTION_FILTER_EVENTS {
+    static ON_SUBSTITUTION_FILTER_CHANGE = 'onSubstitutionFilterChange';
+}
+
 
 export class COMPONENT_FIELDS {
     static COMPONENT_INSTANCES_PROPERTIES = "componentInstancesProperties";
@@ -396,6 +400,7 @@
 export class SERVICE_FIELDS {
     static FORWARDING_PATHS = "forwardingPaths";
     static NODE_FILTER = "nodeFilter";
+    static SUBSTITUTION_FILTER = "substitutionFilter";
 }
 
 export class API_QUERY_PARAMS {