How to access http headers in custom authorizer AWS lambda function

Question

From API Gateway, I created a custom authorizer for my API using Lambda function in python. API Gateway hands over the incoming auth token using a header I configure(m

Answer 1

Here is a SAM template:

ApiGatewayApi:
    Type: AWS::Serverless::Api
    Properties:
      StageName: Prod
      Auth:
        Authorizers:
          MyAuthorizer:
            FunctionPayloadType: REQUEST
            FunctionArn: !GetAtt AuthLambda.Arn
            Identity:
              Headers:
                - X-API-KEY
                - X-API-ID