public String getIamUserArn() {
        return this.iamUserArn;
    }
<p>
The user's IAM ARN. This can also be a federated user's ARN.
</p>

@return The user's IAM ARN. This can also be a federated user's ARN.
aws-java-sdk-opsworks/src/main/java/com/amazonaws/services/opsworks/model/SetPermissionRequest.java