diff --git a/src/Identifier.php b/src/Identifier.php
index 914ec84..1f085f4 100644
--- a/src/Identifier.php
+++ b/src/Identifier.php
@@ -5,6 +5,9 @@ defined( 'ABSPATH' ) || exit;
 
 class Identifier {
 
+    const string CAP_EDIT_POSTS = "edit_posts";
+    const string CAP_EDIT_OTHER_POSTS = "edit_others_posts";
+
     const string CPT_TRANSLATIONS = "translations";
     const string CPT_ROMHACKS = "romhacks";
     const string CPT_HOMEBREWS = "homebrew";
@@ -35,7 +38,8 @@ class Identifier {
 
     // ...
 
-    const string GALLERY = "my_gallery";
+    const string ENTRY_GALLERY = "my_gallery";
+    const string ENTRY_MAIN_IMAGE = "custom_featured_image";
 
     private function __construct() {}