diff --git a/packages/webhook/scripts/generate.js b/packages/webhook/scripts/generate.js
index 68416d79..483676ba 100644
--- a/packages/webhook/scripts/generate.js
+++ b/packages/webhook/scripts/generate.js
@@ -10,7 +10,7 @@ function generateGenericEventType(fileName) {
   const program = ts.createProgram([fileName], {})
   const sourceFile = program.getSourceFile(fileName)
 
-  let genericEventType = 'export type GenericEvent =\n'
+  let genericEventType = '// Auto Generaged type.\nexport type GenericEvent =\n'
 
   ts.forEachChild(sourceFile, (node) => {
     if (
@@ -22,11 +22,16 @@ function generateGenericEventType(fileName) {
           const key = member.name
           let eventType = ''
           let isLiteralType = false
+
           if (
             ts.isComputedPropertyName(key) &&
             ts.isPropertyAccessExpression(key.expression)
           ) {
             eventType = key.expression.name.text
+          } else if (ts.isIdentifier(key) && key.escapedText) {
+            // Handle string key like 'health_check'
+            eventType = key.escapedText
+            isLiteralType = true
           } else if (ts.isStringLiteral(key)) {
             // Handle string literal types like 'health-check'
             eventType = key.text
diff --git a/packages/webhook/src/types.ts b/packages/webhook/src/types.ts
index b2bcd92d..e753a9ce 100644
--- a/packages/webhook/src/types.ts
+++ b/packages/webhook/src/types.ts
@@ -36,6 +36,9 @@ export interface EventPayloadMapping {
   [BusinessEvents.PAGE_DELETE]: PayloadOnlyId
 
   [BusinessEvents.SAY_CREATE]: SayModel
+  [BusinessEvents.SAY_UPDATE]: SayModel
+  [BusinessEvents.SAY_DELETE]: PayloadOnlyId
+
   [BusinessEvents.RECENTLY_CREATE]: RecentlyModel
 
   [BusinessEvents.ACTIVITY_LIKE]: IActivityLike
@@ -58,6 +61,7 @@ export interface IActivityLike {
   }
 }
 
+// Auto Generaged type.
 export type GenericEvent =
   | { type: BusinessEvents.POST_CREATE; payload: NormalizedPost }
   | { type: BusinessEvents.POST_UPDATE; payload: NormalizedPost }
@@ -69,6 +73,8 @@ export type GenericEvent =
   | { type: BusinessEvents.PAGE_UPDATE; payload: PageModel }
   | { type: BusinessEvents.PAGE_DELETE; payload: PayloadOnlyId }
   | { type: BusinessEvents.SAY_CREATE; payload: SayModel }
+  | { type: BusinessEvents.SAY_UPDATE; payload: SayModel }
+  | { type: BusinessEvents.SAY_DELETE; payload: PayloadOnlyId }
   | { type: BusinessEvents.RECENTLY_CREATE; payload: RecentlyModel }
   | { type: BusinessEvents.ACTIVITY_LIKE; payload: IActivityLike }
   | { type: BusinessEvents.LINK_APPLY; payload: LinkModel }
@@ -78,3 +84,4 @@ export type GenericEvent =
         ref: Id | PostModel | PageModel | NoteModel | RecentlyModel
       }
     }
+  | { type: 'health_check'; payload: {} }