{
  "interfaceOperations": {
    "operation": {
      "description": "abcd description",
      "inputParams": {
        "listToscaDataDefinition": [
          {
            "name": "inp1",
            "type": "string",
            "property": "97477d27-8fe2-45a1-83cb-83368ef2a402.nf_naming_code",
            "mandatory": true
          }
        ]
      },
      "outputParams": {
        "listToscaDataDefinition": [
          {
            "name": "op",
            "mandatory": true,
            "type": "String"
          }
        ]
      },
      "operationType": "create",
      "workflowAssociationType": "EXISTING",
      "workflowId" : "workflowId",
      "workflowVersionId" : "workflowVersionId"
    }
  }
}