Add inject node to manually trigger lightning alert

flows.json

@@ -1745,7 +1745,8 @@
             "8a84615173fd7e97",
             "f260e2410571356a",
             "b497fe229c8f2eea",
-            "f47a0d107875d550"
+            "f47a0d107875d550",
+            "f34011787b8474ef"
         ],
         "x": 34,
         "y": 139,
@@ -34680,6 +34681,38 @@
             []
         ]
     },
+    {
+        "id": "f34011787b8474ef",
+        "type": "inject",
+        "z": "ebd5561c4f077718",
+        "g": "4329e464360d0afa",
+        "name": "Manual Trigger",
+        "props": [
+            {
+                "p": "payload"
+            },
+            {
+                "p": "duration",
+                "v": "10",
+                "vt": "num"
+            }
+        ],
+        "repeat": "",
+        "crontab": "",
+        "once": false,
+        "onceDelay": 0.1,
+        "topic": "",
+        "payload": "on",
+        "payloadType": "str",
+        "x": 160,
+        "y": 300,
+        "wires": [
+            [
+                "70f795fb061cbfef",
+                "b2c0d6629b2603b7"
+            ]
+        ]
+    },
     {
         "id": "1f7af146c06b8b85",
         "type": "ha-select",