AWSTemplateFormatVersion: '2010-09-09' Description: This CloudFormation StackSet deploys two AWS provided CloudFormation templates that add Administrator and Execution Roles required to use AWSCloudFormationStackSetAdministrationRole Resources: AWSCloudFormationStackSetAdministrationRole: Type: AWS::CloudFormation::Stack Properties: TemplateURL: https://s3.amazonaws.com/cloudformation-stackset-sample-templates-us-east-1/AWSCloudFormationStackSetAdministrationRole.yml TimeoutInMinutes: '3' AWSCloudFormationStackSetExecutionRole: Type: AWS::CloudFormation::Stack Properties: TemplateURL: https://s3.amazonaws.com/cloudformation-stackset-sample-templates-us-east-1/AWSCloudFormationStackSetExecutionRole.yml TimeoutInMinutes: '3' Parameters: AdministratorAccountId : !Ref 'AccountID' Parameters: AccountID: Type: String Description: Your AWS Account ID MaxLength: 12 MinLength: 12