The name or unique stack ID that you want to associate a policy with.

Structure containing the stack policy body. For more information, go to <a href="https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/protect-stack-resources.html"> Prevent updates to stack resources</a> in the CloudFormation User Guide. You can specify either the <code>StackPolicyBody</code> or the <code>StackPolicyURL</code> parameter, but not both.

Location of a file containing the stack policy. The URL must point to a policy (maximum size: 16 KB) located in an Amazon S3 bucket in the same Amazon Web Services Region as the stack. You can specify either the <code>StackPolicyBody</code> or the <code>StackPolicyURL</code> parameter, but not both.