public String getIamUserArn() {
        return this.iamUserArn;
    }
<p>
The ARN of the user to associate with the on-premises instance.
</p>

@return The ARN of the user to associate with the on-premises instance.
aws-java-sdk-codedeploy/src/main/java/com/amazonaws/services/codedeploy/model/RegisterOnPremisesInstanceRequest.java