Cannot set enum to arguments in Function Mutation

[kita3222]

Environment information

System:
  OS: macOS 14.5
  CPU: (8) arm64 Apple M2
  Memory: 173.20 MB / 24.00 GB
  Shell: /bin/zsh
Binaries:
  Node: 20.9.0 - ~/.nvm/versions/node/v20.9.0/bin/node
  Yarn: 1.22.19 - ~/.nvm/versions/node/v20.9.0/bin/yarn
  npm: 10.1.0 - ~/.nvm/versions/node/v20.9.0/bin/npm
  pnpm: 8.11.0 - ~/.nvm/versions/node/v20.9.0/bin/pnpm
NPM Packages:
  @aws-amplify/backend: 1.0.2
  @aws-amplify/backend-cli: 1.0.3
  aws-amplify: 6.3.4
  aws-cdk: 2.143.0
  aws-cdk-lib: 2.143.0
  typescript: 5.4.5
AWS environment variables:
  AWS_STS_REGIONAL_ENDPOINTS = regional
  AWS_NODEJS_CONNECTION_REUSE_ENABLED = 1
  AWS_SDK_LOAD_CONFIG = 1
No CDK environment variables

Description

When I try to set ENUM in the arguments of the Function Mutation, I get the following error and cannot do a sandbox deploy.

Failed to instantiate data construct
Caused By: Schema validation failed.\n\nUnknown type "TestFunctionResolverTestEnum".\n\nGraphQL request:25:34\n25 |   TestFunctionResolver(testEnum: TestFunctionResolverTestEnum): EchoResponse @fu\n   |                                  ^\n   | nction(name: "FnTestFunctionResolver") @auth(rules: [{allow: private}]) 

Resolution: See the underlying error message for more details.

This is the definition of my function:

  TestFunctionResolver: a
    .mutation()
    .arguments({ testEnum: a.enum(["A", "B", "C"])})
    .returns(a.ref("EchoResponse"))
    .authorization((allow) => [allow.authenticated()])
    // 3. set the function has the handler
    .handler(a.handler.function(sayHello)),

[ykethan]

Hey👋, thanks for raising this! I'm going to transfer this over to our API repository for better assistance 🙂

[hardchor]

The same is true for refs:

  createTodo: a
    .mutation()
    .arguments({
      name: a.string().required(),
      title: a.string().required(),
      type: a.ref("TodoType"), // Type 'RefType<RefTypeArgFactory<"TodoType">, never, undefined>' is not assignable to type 'BaseModelField | EnumType<readonly string[]>'.
    })
    .returns(a.ref("TodoResponse"))
    .authorization((allow) => [allow.authenticated()])
    .handler(a.handler.function(defineFunction("createTodo"))),

[AnilMaktala]

Hey @kita3222, Thanks for raising this. We can reproduce the issue. Hence, marking this as a bug for the team to evaluate further.