AWSTemplateFormatVersion: '2010-09-09'
Parameters:
  QSS3BucketName:
    Default: aws-quickstart
    Type: String
  QSS3KeyPrefix:
    Default: nested-fail/
    Type: String
Resources:
  ChildStack:
    Type: AWS::CloudFormation::Stack
    Properties:
      TemplateURL: !Sub 'https://${QSS3BucketName}.s3.amazonaws.com/${QSS3KeyPrefix}templates/test.template_inner.yaml'
  Middle2Stack:
    Type: AWS::CloudFormation::Stack
    Properties:
      TemplateURL: !Sub 'https://${QSS3BucketName}.s3.amazonaws.com/${QSS3KeyPrefix}templates/test.template_middle2.yaml'
      Parameters:
        QSS3KeyPrefix: !Ref QSS3KeyPrefix
        QSS3BucketName: !Ref QSS3BucketName