diff --git a/core/object/object.h b/core/object/object.h
index 16d8e19eaa0..831bfa43e8d 100644
--- a/core/object/object.h
+++ b/core/object/object.h
@@ -90,6 +90,7 @@ enum PropertyHint {
 	PROPERTY_HINT_TOOL_BUTTON,
 	PROPERTY_HINT_ONESHOT, ///< the property will be changed by self after setting, such as AudioStreamPlayer.playing, Particles.emitting.
 	PROPERTY_HINT_NO_NODEPATH, /// < this property will not contain a NodePath, regardless of type (Array, Dictionary, List, etc.). Needed for SceneTreeDock.
+	PROPERTY_HINT_RES_FROM_DIR, /// hint_text is a directory path. The property lists all relevant resource files in hint_text.
 	PROPERTY_HINT_MAX,
 };