Add delete subscription action (#3673)

* make formId optional

* add itemId to file schema

* Add Response delete to api

certified-connectors/Team Forms/apiDefinition.swagger.json

@@ -324,6 +324,117 @@
         ],
         "x-ms-visibility": "internal"
       }
+    },
+    "/response-deletion-subscription": {
+      "x-ms-notification-content": {
+        "description": "Webhook response",
+        "schema": {
+          "$ref": "#/definitions/dynamicResponseSchema"
+        }
+      },
+      "post": {
+        "responses": {
+          "201": {
+            "description": "created",
+            "schema": {}
+          }
+        },
+        "summary": "When a form response is deleted",
+        "description": "Triggered a flow when a response is deleted in Team Forms.",
+        "operationId": "SubscribeResponseDeletion",
+        "x-ms-visibility": "important",
+        "x-ms-trigger": "single",
+        "consumes": [
+          "application/json"
+        ],
+        "parameters": [
+          {
+            "$ref": "#/parameters/groupId"
+          },
+          {
+            "name": "formId",
+            "in": "query",
+            "type": "string",
+            "description": "Unique id for the form. Leave blank to trigger for all forms in the selected team.",
+            "x-ms-summary": "Form",
+            "x-ms-visibility": "important",
+            "x-ms-dynamic-values": {
+              "operationId": "Forms",
+              "value-path": "fields/tfFormId",
+              "value-title": "fields/tfTitle",
+              "parameters": {
+                "groupId": {
+                  "parameter": "groupId"
+                }
+              }
+            }
+          },
+          {
+            "name": "requestBody",
+            "in": "body",
+            "required": true,
+            "schema": {
+              "type": "object",
+              "properties": {
+                "webHookUrl": {
+                  "type": "string",
+                  "x-ms-visibility": "internal",
+                  "x-ms-notification-url": true
+                }
+              },
+              "required": [
+                "webHookUrl"
+              ]
+            }
+          }
+        ]
+      },
+      "delete": {
+        "responses": {
+          "200": {
+            "description": "OK",
+            "schema": {
+              "type": "object",
+              "properties": {
+                "status": {
+                  "type": "string",
+                  "description": "status"
+                }
+              }
+            }
+          }
+        },
+        "summary": "Delete a subscription",
+        "description": "Internal operation used to delete Webhook if the hook is edited or deleted",
+        "operationId": "UnsubscribeResponseDeletion",
+        "parameters": [
+          {
+            "name": "groupId",
+            "in": "query",
+            "type": "string",
+            "description": "",
+            "required": true
+          },
+          {
+            "name": "formId",
+            "in": "query",
+            "type": "string"
+          },
+          {
+            "name": "webHookId",
+            "in": "query",
+            "required": false,
+            "type": "string"
+          },
+          {
+            "name": "origin",
+            "in": "query",
+            "required": false,
+            "type": "string"
+          }
+        ],
+        "x-ms-visibility": "internal"
+      }
     }
   },
   "definitions": {