diff --git a/framework/core/src/Post/AbstractEventPost.php b/framework/core/src/Post/AbstractEventPost.php
index 0a156d860..11f7af351 100644
--- a/framework/core/src/Post/AbstractEventPost.php
+++ b/framework/core/src/Post/AbstractEventPost.php
@@ -11,6 +11,9 @@
 
 namespace Flarum\Post;
 
+/**
+ * @property array $content
+ */
 abstract class AbstractEventPost extends Post
 {
     /**