Update src/pages/[platform]/build-a-backend/data/custom-business-logi…

…c/batch-ddb-operations/index.mdx

Co-authored-by: josef <josef.aidt@gmail.com>

src/pages/[platform]/build-a-backend/data/custom-business-logic/batch-ddb-operations/index.mdx

@@ -33,7 +33,7 @@ Batch DynamoDB operations allow you to add multiple items in single mutation.
 
 ## Step 1 - Define a custom mutation
 
-```ts
+```ts title="amplify/data/resource.ts"
 import { type ClientSchema, a, defineData } from '@aws-amplify/backend';
 
 const schema = a.schema({