--- /dev/null
+<?php
+
+namespace Drupal\views\Ajax;
+
+use Drupal\Core\Ajax\CommandInterface;
+
+/**
+ * Provides an AJAX command for triggering the views live preview.
+ *
+ * This command is implemented in Drupal.AjaxCommands.prototype.viewsTriggerPreview.
+ */
+class TriggerPreviewCommand implements CommandInterface {
+
+ /**
+ * {@inheritdoc}
+ */
+ public function render() {
+ return [
+ 'command' => 'viewsTriggerPreview',
+ ];
+ }
+
+}