diff --git a/src/ui/simple/CSimpleFrame.hpp b/src/ui/simple/CSimpleFrame.hpp
index 2f08b23..39e8d19 100644
--- a/src/ui/simple/CSimpleFrame.hpp
+++ b/src/ui/simple/CSimpleFrame.hpp
@@ -6,6 +6,7 @@
 #include "ui/CScriptRegion.hpp"
 #include "ui/Types.hpp"
 #include "ui/simple/CSimpleRegion.hpp"
+#include <storm/Hash.hpp>
 #include <storm/List.hpp>
 #include <cstdint>
 
@@ -17,6 +18,10 @@ class CSimpleTitleRegion;
 class CSimpleTop;
 struct lua_State;
 
+struct FRAMEATTR : TSHashObject<FRAMEATTR, HASHKEY_STRI> {
+    int32_t luaRef;
+};
+
 class CSimpleFrame : public CScriptRegion {
     public:
         // Static members
@@ -71,6 +76,7 @@ class CSimpleFrame : public CScriptRegion {
         ScriptIx m_onAttributeChange;
         ScriptIx m_onEnable;
         ScriptIx m_onDisable;
+        TSHashTable<FRAMEATTR, HASHKEY_STRI> m_attributes;
         int32_t m_drawenabled[NUM_SIMPLEFRAME_DRAWLAYERS];
         CBackdropGenerator* m_backdrop = nullptr;
         STORM_EXPLICIT_LIST(CSimpleRegion, m_regionLink) m_regions;