diff --git a/specification/securityinsights/resource-manager/Microsoft.SecurityInsights/preview/2022-10-01-preview/AutomationRules.json b/specification/securityinsights/resource-manager/Microsoft.SecurityInsights/preview/2022-10-01-preview/AutomationRules.json
index 037749c80c50..0ceb52883638 100644
--- a/specification/securityinsights/resource-manager/Microsoft.SecurityInsights/preview/2022-10-01-preview/AutomationRules.json
+++ b/specification/securityinsights/resource-manager/Microsoft.SecurityInsights/preview/2022-10-01-preview/AutomationRules.json
@@ -1181,6 +1181,9 @@
     },
     "ManualTriggerRequestBody": {
       "type": "object",
+      "required": [
+        "logicAppsResourceId"
+      ],
       "properties": {
         "tenantId": {
           "format": "uuid",