diff --git a/dmi-service/openapi/openapi-datajob.yml b/dmi-service/openapi/openapi-datajob.yml
index 989218d..31a76bb 100644
--- a/dmi-service/openapi/openapi-datajob.yml
+++ b/dmi-service/openapi/openapi-datajob.yml
@@ -240,6 +240,25 @@
         type: string
     Object:
       type: object
+    SubjobWriteResponse:
+      type: object
+      required:
+        - subJobId
+        - dmiServiceName
+        - dataProducerId
+      properties:
+        subJobId:
+          description: Unique identifier for the sub-job
+          example: my-sub-job-id
+          type: string
+        dmiServiceName:
+          description: Name of the relevant DMI Service
+          example: my-dmi-service
+          type: string
+        dataProducerId:
+          description: ID of the producer registered by DMI for the paths in the operations in this request
+          example: my-data-producer-identifier
+          type: string
   responses:
     NotImplemented:
       description: Not Implemented
@@ -251,4 +270,3 @@
             status: 501
             message: Not Implemented
             details: Method Not Implemented
-