diff --git a/ts/src/functions/storageQueueTrigger1.ts b/ts/src/functions/storageQueueTrigger1.ts
index 50f8339..7c69eb7 100644
--- a/ts/src/functions/storageQueueTrigger1.ts
+++ b/ts/src/functions/storageQueueTrigger1.ts
@@ -1,6 +1,6 @@
 import { app, InvocationContext } from '@azure/functions';
 
-export async function storageQueueTrigger1(queueItem: unknown, context: InvocationContext): Promise<void> {
+export async function storageQueueTrigger1(queueItem: string, context: InvocationContext): Promise<void> {
     context.log('Storage queue function processed work item:', queueItem);
     context.log('expirationTime =', context.triggerMetadata.expirationTime);
     context.log('insertionTime =', context.triggerMetadata.insertionTime);
@@ -10,7 +10,7 @@ export async function storageQueueTrigger1(queueItem: unknown, context: Invocati
     context.log('dequeueCount =', context.triggerMetadata.dequeueCount);
 }
 
-app.storageQueue('storageQueueTrigger1', {
+app.storageQueue<string>('storageQueueTrigger1', {
     queueName: 'myqueue-items',
     connection: 'MyStorageConnectionAppSetting',
     handler: storageQueueTrigger1,