[Event Grid] [AppConfiguration] Add snapshot events support (#25393)

* Add snapshot events

* Add example ref

* Remove unneeded code

* Applied comments

* Move base properties back to events

* Applied comment

* remove unneeded code

* Update description

* Fix lintdiff failure

Author: joexumsft

specification/eventgrid/data-plane/Microsoft.AppConfiguration/stable/2018-01-01/AppConfiguration.json

@@ -50,6 +50,58 @@
           "type": "string"
         }
       }
+    },
+    "AppConfigurationSnapshotEventData": {
+      "description": "Schema of common properties of snapshot events",
+      "type": "object",
+      "properties": {
+        "name": {
+          "description": "The name of the snapshot.",
+          "type": "string"
+        },
+        "etag": {
+          "description": "The etag representing the new state of the snapshot.",
+          "type": "string"
+        },
+        "syncToken": {
+          "description": "The sync token representing the server state after the event.",
+          "type": "string"
+        }
+      }
+    },
+    "AppConfigurationSnapshotCreatedEventData": {
+      "description": "Schema of the Data property of an EventGridEvent for a Microsoft.AppConfiguration.SnapshotCreated event.",
+      "type": "object",
+      "allOf": [
+        {
+          "$ref": "#/definitions/AppConfigurationSnapshotEventData"
+        }
+      ],
+      "x-ms-examples": {
+        "snapshotCreatedCloudEventsSchema": {
+          "$ref": "./examples/cloud-events-schema/snapshot_created.json"
+        },
+        "snapshotCreatedEventGridSchema": {
+          "$ref": "./examples/event-grid-schema/snapshot_created.json"
+        }
+      }
+    },
+    "AppConfigurationSnapshotModifiedEventData": {
+      "description": "Schema of the Data property of an EventGridEvent for a Microsoft.AppConfiguration.SnapshotModified event.",
+      "type": "object",
+      "allOf": [
+        {
+          "$ref": "#/definitions/AppConfigurationSnapshotEventData"
+        }
+      ],
+      "x-ms-examples": {
+        "snapshotModifiedCloudEventsSchema": {
+          "$ref": "./examples/cloud-events-schema/snapshot_modified.json"
+        },
+        "snapshotModifiedEventGridSchema": {
+          "$ref": "./examples/event-grid-schema/snapshot_modified.json"
+        }
+      }
     }
   }
 }

specification/eventgrid/data-plane/Microsoft.AppConfiguration/stable/2018-01-01/examples/cloud-events-schema/snapshot_created.json

@@ -0,0 +1,13 @@
+{
+  "source": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/testrg/providers/microsoft.appconfiguration/configurationstores/contoso",
+  "subject": "https://contoso.azconfig.io/kvsnapshots/Foo",
+  "type": "Microsoft.AppConfiguration.SnapshotCreated",
+  "time": "2023-09-02T20:05:03.0000000Z",
+  "id": "84e17ea4-66db-4b54-8050-df8f7763f87b",
+  "data": {
+    "name": "Foo",
+    "etag": "FnUExLaj2moIi4tJX9AXn9sakm0",
+    "syncToken": "zAJw6V16=Njo1IzUxNjQ2NzM=;sn=5164673"
+  },
+  "specversion": "1.0"
+}

specification/eventgrid/data-plane/Microsoft.AppConfiguration/stable/2018-01-01/examples/cloud-events-schema/snapshot_modified.json

@@ -0,0 +1,13 @@
+{
+  "source": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/testrg/providers/microsoft.appconfiguration/configurationstores/contoso",
+  "subject": "https://contoso.azconfig.io/snapshots/Foo",
+  "type": "Microsoft.AppConfiguration.SnapshotModified",
+  "time": "2023-09-03T20:05:03.0000000Z",
+  "id": "84e17ea4-66db-4b54-8050-df8f7763f87b",
+  "data": {
+    "name": "Foo",
+    "etag": "FnUExLaj2moIi4tJX9AXn9sakm0",
+    "syncToken": "zAJw6V16=Njo1IzUxNjQ2NzM=;sn=5164673"
+  },
+  "specversion": "1.0"
+}

specification/eventgrid/data-plane/Microsoft.AppConfiguration/stable/2018-01-01/examples/event-grid-schema/snapshot_created.json

@@ -0,0 +1,14 @@
+{
+  "id": "84e17ea4-66db-4b54-8050-df8f7763f87b",
+  "topic": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/testrg/providers/microsoft.appconfiguration/configurationstores/contoso",
+  "subject": "https://contoso.azconfig.io/snapshots/Foo",
+  "data": {
+    "Name": "Foo",
+    "etag": "FnUExLaj2moIi4tJX9AXn9sakm0",
+    "syncToken": "zAJw6V16=Njo1IzUxNjQ2NzM=;sn=5164673"
+  },
+  "eventType": "Microsoft.AppConfiguration.SnapshotCreated",
+  "eventTime": "2023-09-02T20:05:03Z",
+  "dataVersion": "1",
+  "metadataVersion": "1"
+}

specification/eventgrid/data-plane/Microsoft.AppConfiguration/stable/2018-01-01/examples/event-grid-schema/snapshot_modified.json

@@ -0,0 +1,15 @@
+{
+  "id": "84e17ea4-66db-4b54-8050-df8f7763f87b",
+  "topic": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/testrg/providers/microsoft.appconfiguration/configurationstores/contoso",
+  "subject": "https://contoso.azconfig.io/snapshots/Foo",
+  "data": {
+    "name": "Foo",
+    "label": "FizzBuzz",
+    "etag": "FnUExLaj2moIi4tJX9AXn9sakm0",
+    "syncToken": "zAJw6V16=Njo1IzUxNjQ2NzM=;sn=5164673"
+  },
+  "eventType": "Microsoft.AppConfiguration.SnapshotModified",
+  "eventTime": "2023-09-03T20:05:03Z",
+  "dataVersion": "1",
+  "metadataVersion": "1"
+}