Returns information about the service-specific credentials associated with the specified IAM user. If none exists, the operation returns an empty list. The service-specific credentials returned by this operation are used only for authenticating the IAM user to a specific service. For more information about using service-specific credentials to authenticate to an Amazon Web Services service, see <a href="https://docs.aws.amazon.com/codecommit/latest/userguide/setting-up-gc.html">Set up service-specific credentials</a> in the CodeCommit User Guide.