AWSTemplateFormatVersion: '2010-09-09' Transform: AWS::Serverless-2016-10-31 Description: Hello world app with inline code Parameters: IdentityNameParameter: Type: String Resources: HelloWorldPython3: Type: AWS::Serverless::Function Properties: InlineCode: | def handler(*args): return 'Hello world!' Handler: index.handler Runtime: python3.9 Timeout: 5 Environment: Variables: IdentityNameParameter: !Ref IdentityNameParameter Metadata: SamTransformTest: true