public String getServiceUserName() {
        return this.serviceUserName;
    }
<p>
The generated user name for the service-specific credential. This value is generated by combining the IAM user's
name combined with the ID number of the Amazon Web Services account, as in <code>jane-at-123456789012</code>, for
example. This value cannot be configured by the user.
</p>

@return The generated user name for the service-specific credential. This value is generated by combining the IAM
        user's name combined with the ID number of the Amazon Web Services account, as in
        <code>jane-at-123456789012</code>, for example. This value cannot be configured by the user.
aws-java-sdk-iam/src/main/java/com/amazonaws/services/identitymanagement/model/ServiceSpecificCredential.java