diff --git a/Runtime/UXComponent/UX/UXButton.cs b/Runtime/UXComponent/UX/UXButton.cs
index 908d7a8..2a61122 100644
--- a/Runtime/UXComponent/UX/UXButton.cs
+++ b/Runtime/UXComponent/UX/UXButton.cs
@@ -63,6 +63,11 @@ public class UXButton : UIBehaviour, IButton,
         }
     }
 
+    internal bool HasHotKeyRefrenced()
+    {
+        return _hotKeyRefrence != null;
+    }
+
 #endif
 
     #endregion
diff --git a/Runtime/_InternalVisibleTo.cs b/Runtime/_InternalVisibleTo.cs
new file mode 100644
index 0000000..746f299
--- /dev/null
+++ b/Runtime/_InternalVisibleTo.cs
@@ -0,0 +1,4 @@
+using System.Runtime.CompilerServices;
+
+[assembly: InternalsVisibleTo("AlicizaX.Framework.Runtime")]
+
diff --git a/Runtime/_InternalVisibleTo.cs.meta b/Runtime/_InternalVisibleTo.cs.meta
new file mode 100644
index 0000000..304a55b
--- /dev/null
+++ b/Runtime/_InternalVisibleTo.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 4f5e16ee20d9f1d4ea280466d26651fe
\ No newline at end of file