The name of the progress-update stream, which is used for access control as well as a namespace for migration-task names that is implicitly linked to your AWS account. The progress-update stream must uniquely identify the migration tool as it is used for all updates made by the tool; however, it does not need to be unique for each AWS account because it is scoped to the AWS account.

A unique identifier that references the migration task. <i>Do not include sensitive data in this field.</i>

This is an optional parameter that you can use to test whether the call will succeed. Set this parameter to <code>true</code> to verify that you have the permissions that are required to make the call, and that you have specified the other parameters in the call correctly.