Optional settings
After entering required parameters and clicking Next, you are directed to the Configure stack options page to specify optional settings.
Once you have configured optional settings, click Next to move forward in the deployment.
Tags
You can specify key-value pairs (tags) to apply to resources in your stack. For details, see the AWS documentation.
Permissions
Under the Permissions section, you can specify an IAM role that AWS CloudFormation uses to create, modify, or delete resources in your stack. For details, see the AWS documentation.
Advanced options
Under Advanced options, it is recommended that you disable the Stack creation option Rollback on failure to allow for a better troubleshooting experience. For details, see the AWS documentation.