diff --git a/builtins.txt b/builtins.txt
index a98d63d..01d80a6 100644
--- a/builtins.txt
+++ b/builtins.txt
@@ -1,4 +1,4 @@
-// Generated by LSL2 Derived Files Generator. Database version: 0.0.20220912000; output module version: 0.0.20140731000
+// Generated by LSL2 Derived Files Generator. Database version: 0.0.20220928000; output module version: 0.0.20140731000
 integer llAbs( integer val )
 float llAcos( float val )
 void llAddToLandBanList( key avatar, float hours )
@@ -145,6 +145,7 @@ integer llGetNumberOfSides(  )
 list llGetObjectAnimationNames(  )
 string llGetObjectDesc(  )
 list llGetObjectDetails( key id, list params )
+key llGetObjectLinkKey( key id, integer link )
 float llGetObjectMass( key id )
 string llGetObjectName(  )
 integer llGetObjectPermMask( integer mask )
diff --git a/fndata.txt b/fndata.txt
index 2791dfb..ba84afa 100644
--- a/fndata.txt
+++ b/fndata.txt
@@ -658,6 +658,9 @@ list llGetObjectDetails(key id, list params)
 #- unstable
 - SEF
 
+key llGetObjectLinkKey(key id, integer link)
+- SEF
+
 float llGetObjectMass(key id)
 - SEF
 
diff --git a/lslopt/lslextrafuncs.py b/lslopt/lslextrafuncs.py
index c3b3571..0efe869 100644
--- a/lslopt/lslextrafuncs.py
+++ b/lslopt/lslextrafuncs.py
@@ -325,6 +325,10 @@ def llGetLinkName(link):
         return NULL_KEY
     raise ELSLCantCompute
 
+def llGetObjectLinkKey(id, link):
+    # TODO: Investigate behaviour with invalid key, invalid link etc.
+    raise ELSLCantCompute
+
 def llGetOwnerKey(id):
     id = fk(id)
     if not cond(id):