--- /dev/null
+<?php
+
+namespace Drupal\Core\Ajax;
+
+/**
+ * Defines an AJAX command that closes the currently visible modal dialog.
+ *
+ * @ingroup ajax
+ */
+class CloseModalDialogCommand extends CloseDialogCommand {
+
+ /**
+ * Constructs a CloseModalDialogCommand object.
+ *
+ * @param bool $persist
+ * (optional) Whether to persist the dialog in the DOM or not.
+ */
+ public function __construct($persist = FALSE) {
+ $this->selector = '#drupal-modal';
+ $this->persist = $persist;
+ }
+
+}