Resources:
  FunctionApiRestApiRefError:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: s3://sam-demo-bucket/hello.zip
      Handler: hello.handler
      Runtime: python2.7
      Events:
        ApiEvent:
          Type: Api
          Properties:
            Method: get
            Path: /
            # RestApiId should not be a list
            RestApiId:
            - Fn::Sub: ServerlessRestApi