diff --git a/util.lua b/util.lua
index e8910b5..777a18e 100644
--- a/util.lua
+++ b/util.lua
@@ -204,4 +204,8 @@ local function recurseModelGroup(group)
 end
 util.recurseModelGroup=recurseModelGroup
 
+function util.traceback()
+    return ({pcall(function() error("", 4) end)})[2]:match("stack traceback:.+$")
+end
+
 return util