diff --git a/operator-context.go b/operator-context.go
index b4c0464..4ee4685 100644
--- a/operator-context.go
+++ b/operator-context.go
@@ -36,6 +36,10 @@ func evalContextValue(ctx ExprContext, self *term) (v any, err error) {
 		for _, key := range keys {
 			d[key], _ = sourceCtx.GetVar(key)
 		}
+		keys = sourceCtx.EnumFuncs(func(name string) bool { return true })
+		for _, key := range keys {
+			d[key], _ =sourceCtx.GetFuncInfo(key)
+		}
 		v = d
 	} else {
 		err = self.errIncompatibleType(childValue)