AWSメモ >
https://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/UserGuide/transform-aws-serverless.html
参考: AWS リソースおよびプロパティタイプのリファレンス
https://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/UserGuide/cfn-reference-lambda.html
https://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/UserGuide/aws-resource-lambda-function.html
https://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/UserGuide/transform-aws-serverless.html
https://github.com/awslabs/serverless-application-model/blob/master/versions/2016-10-31.md
https://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/UserGuide/cfn-reference-apigateway.html
https://docs.aws.amazon.com/ja_jp/AWSCloudFormation/latest/UserGuide/transform-aws-serverless.html
https://github.com/awslabs/serverless-application-model/blob/master/versions/2016-10-31.md