AWSTemplateFormatVersion: '2010-09-09'
Parameters:
  AuthorizationTypeRef:
    Type: String
    Default: NONE

  AllowOriginsRef:
    Type: CommaDelimitedList
    Default: https://example.com

  AllowMethodsRef:
    Type: CommaDelimitedList
    Default: GET

  InvokeModeRef:
    Type: String
    Default: BUFFERED

Resources:
  MyFunction:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: s3://sam-demo-bucket/hello.zip
      Description: Created by SAM
      Handler: index.handler
      MemorySize: 1024
      Runtime: nodejs12.x
      Timeout: 3
      FunctionUrlConfig:
        AuthType: !Ref AuthorizationTypeRef
        Cors:
          AllowOrigins: !Ref AllowOriginsRef
          AllowMethods: !Ref AllowMethodsRef
        InvokeMode: !Ref InvokeModeRef