diff -r 03df7946c2fa -r b217fb367574 C_runtime/PLCObject.hpp
--- a/C_runtime/PLCObject.hpp	Tue Nov 19 23:52:04 2024 +0100
+++ b/C_runtime/PLCObject.hpp	Fri Nov 22 16:31:51 2024 +0100
@@ -71,6 +71,7 @@
         uint32_t SetTraceVariablesList(const list_trace_order_1_t * orders, int32_t * debugtoken);
         uint32_t StartPLC(void);
         uint32_t StopPLC(bool * success);
+        uint32_t ExtendedCall(const char * method, const binary_t * argument, binary_t * answer);
 
         // Public interface used by runtime
         uint32_t AutoLoad();