public void setDirectoryArn(String directoryArn) {
        this.directoryArn = directoryArn;
    }
<p>
The Amazon Resource Name (ARN) that is associated with the <a>Directory</a> where the object resides. For more
information, see <a>arns</a>.
</p>

@param directoryArn
       The Amazon Resource Name (ARN) that is associated with the <a>Directory</a> where the object resides. For
       more information, see <a>arns</a>.
aws-java-sdk-clouddirectory/src/main/java/com/amazonaws/services/clouddirectory/model/ListObjectChildrenRequest.java