public void setIamUserArn(String iamUserArn) {
        this.iamUserArn = iamUserArn;
    }
<p>
The user ARN associated with the on-premises instance.
</p>

@param iamUserArn
       The user ARN associated with the on-premises instance.
aws-java-sdk-codedeploy/src/main/java/com/amazonaws/services/codedeploy/model/InstanceInfo.java