Resources:
  Bad-Function-Name-@#$%^&:
    Type: AWS::Serverless::Function
    Properties:
      Runtime: python2.7
      Handler: hello.handler
      CodeUri: s3://bucket/code.zip
  0:
    Type: AWS::Serverless::Function
    Properties:
      Runtime: python2.7
      Handler: hello.handler
      CodeUri: s3://bucket/code.zip