--- /dev/null
+<?php
+
+namespace Drupal\metatag_pinterest\Plugin\metatag\Tag;
+
+use Drupal\metatag\Plugin\metatag\Tag\MetaPropertyBase;
+
+/**
+ * Provides a plugin for the 'pin:id' meta tag.
+ *
+ * @MetatagTag(
+ * id = "pinterest_id",
+ * label = @Translation("Id"),
+ * description = @Translation("The Canonical Pinterest object to pin."),
+ * name = "pin:id",
+ * group = "pinterest",
+ * weight = 5,
+ * type = "string",
+ * secure = FALSE,
+ * multiple = FALSE
+ * )
+ */
+class PinterestId extends MetaPropertyBase {
+ // Nothing here yet. Just a placeholder class for a plugin.
+}