diff --git a/Slang/main.h b/Slang/main.h
index 59e3071..1e85a82 100644
--- a/Slang/main.h
+++ b/Slang/main.h
@@ -4,6 +4,6 @@
 
 using namespace std;
 
-any ExecuteFunction(string functionName, vector<string> inputVarVals, int functionIndex);
+any ExecuteFunction(const string functionName, const vector<any> inputVarVals)
 
 #endif