fig-10.yml

functions:
  myLambda:
    ...
    integration: lambda
    response:
      statusCodes:
        200:
          pattern: '' # Default response method
        400:
          pattern: '.*"statusCode":400.*'
          template:
            application/json: '$input.path("$.errorMessage")'
        500:
          pattern: '.*"statusCode":500.*'
          template:
            application/json: '$input.path("$.errorMessage")'