diff -r ff576305ae6e -r 713ec3da79ec src/server/util/object.h
--- a/src/server/util/object.h	Wed Nov 16 12:14:45 2022 +0100
+++ b/src/server/util/object.h	Sun Nov 20 11:39:46 2022 +0100
@@ -137,11 +137,14 @@
     NSAPI_EXPRESSION_VARIABLE,
     NSAPI_EXPRESSION_LOGICAL,
     NSAPI_EXPRESSION_UNARY,
-    NSAPI_EXPRESSION_BINARY
+    NSAPI_EXPRESSION_BINARY,
+    NSAPI_EXPRESSION_IDENTIFIER
 };
 
 enum NSAPIExpressionOperator {
     NSAPI_EXPRESSION_NOOP = 0,
+    NSAPI_EXPRESSION_CALL,
+    NSAPI_EXPRESSION_ARG,
     NSAPI_EXPRESSION_NOT,
     NSAPI_EXPRESSION_AND,
     NSAPI_EXPRESSION_OR,