Each AWS CloudFormation template included in a Quick Start has a unique ID that is used for tracking and reporting purposes, in the format qs- followed by 9 alphanumeric characters. When you finish building your AWS CloudFormation templates, we’ll generate the IDs and send them to you. You’ll need to add the ID at the end of the Description field in each AWS CloudFormation template; for example:

...
"AWSTemplateFormatVersion": "2010-09-09",
    "Description": "This template is intended to be deployed into an existing VPC with two public subnets. It will deploy one Linux bastion instance in each public VPC subnet. **WARNING** This template creates EC2 instances and related resources. You will be billed for the AWS resources used if you create a stack from this template. (qs-1nbqhl4ua)",
...

If your Quick Start includes multiple templates, you’ll need a separate ID for each template.