public String getDirectoryArn() {
        return this.directoryArn;
    }
<p>
Amazon Resource Name (ARN) that is associated with the <a>Directory</a> where both objects reside. For more
information, see <a>arns</a>.
</p>

@return Amazon Resource Name (ARN) that is associated with the <a>Directory</a> where both objects reside. For
        more information, see <a>arns</a>.
aws-java-sdk-clouddirectory/src/main/java/com/amazonaws/services/clouddirectory/model/AttachObjectRequest.java