%YAML 1.1
---
Parameters:
  SnapStartParam:
    Type: String
    Default: None

Resources:
  SnapStartFunction:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: s3://sam-demo-bucket/hello.zip
      Handler: hello.handler
      Runtime: python3.9
      SnapStart:
        ApplyOn: PublishedVersions

  SnapStartParameterFunction:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: s3://sam-demo-bucket/hello.zip
      Handler: hello.handler
      Runtime: python3.9
      SnapStart:
        ApplyOn: !Ref SnapStartParam

  SnapStartFunctionWithAlias:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: s3://sam-demo-bucket/hello.zip
      Handler: hello.handler
      Runtime: python3.9
      AutoPublishAlias: live
      SnapStart:
        ApplyOn: PublishedVersions