type Subscription onPostCreated: Post @aws_subscribe(mutations: ["createPost"])
serverless deploy --stage dev
cd infra npm run cdk deploy
amplify init amplify push # Run GraphQL codegen (types, operations) npm run codegen Start local AppSync emulator (using Amplify Mock) amplify mock api Run unit tests for resolvers npm test GraphQL Schema The schema is defined in schema.graphql . Example: appsync repo