--- /dev/null
+<?php
+
+namespace Drupal\metatag_dc\Plugin\metatag\Tag;
+
+use Drupal\metatag\Plugin\metatag\Tag\MetaNameBase;
+
+/**
+ * The Dublin Core "Subject" meta tag.
+ *
+ * @MetatagTag(
+ * id = "dcterms_subject",
+ * label = @Translation("Subject"),
+ * description = @Translation("The topic of the resource. Typically, the subject will be represented using keywords, key phrases, or classification codes. Recommended best practice is to use a controlled vocabulary. To describe the spatial or temporal topic of the resource, use the Coverage element."),
+ * name = "dcterms.subject",
+ * group = "dublin_core",
+ * weight = 3,
+ * type = "label",
+ * secure = FALSE,
+ * multiple = FALSE
+ * )
+ */
+class Subject extends MetaNameBase {
+ // Nothing here yet. Just a placeholder class for a plugin.
+}