AWSTemplateFormatVersion: "2010-09-09"
Transform: AWS::Serverless-2016-10-31
Description: SAM Application (nested stack)

Resources:
  MyApp:
    Type: AWS::Serverless::Application
    Properties:
      Location:
        ApplicationId: arn:aws:serverlessrepo:us-east-1:123456789012:applications/my-app
        SemanticVersion: 1.0.0
      Parameters:
        Stage: prod