diff --git a/function.go b/function.go
index a04ba8d..11c5602 100644
--- a/function.go
+++ b/function.go
@@ -348,8 +348,8 @@ func CallFunctionByArgs(parentCtx ExprContext, name string, args []any) (result
 	return
 }
 
-func CallFunctionByParams(parentCtx ExprContext, name string, params map[string]any) (result any, err error) {
-	var actualParams map[string]any
+func CallFunctionByParams(parentCtx ExprContext, name string, actualParams map[string]any) (result any, err error) {
+	//var actualParams map[string]any
 	if info, exists := GetFuncInfo(parentCtx, name); exists {
 		functor := info.Functor()
 		ctx := info.AllocContext(parentCtx)