userName

The name of the user whose MFA device you want to deactivate.

This parameter is optional. If no user name is included, it defaults to the principal making the request. When you make this request with root user credentials, you must use an AssumeRoot session to omit the user name.

This parameter allows (through its regex pattern) a string of characters consisting of upper and lowercase alphanumeric characters with no spaces. You can also include any of the following characters: _+=,.@-