Serverside method 'ping' was referenced by 'objects' as being organized, not hasProperty, which prevented it being called in the examples.

examples/server.c

@@ -332,7 +332,7 @@ int main(int argc, char** argv) {
 
    UA_NodeId methodId; // Retrieve the actual ID if this node if a random id as in UA_NODEID_NUMERIC(1,0) is used
    UA_Server_addMethodNode(server, UA_QUALIFIEDNAME(1,"ping"), UA_NODEID_NUMERIC(1,62541),
-                           UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER), UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
+                           UA_EXPANDEDNODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER), UA_NODEID_NUMERIC(0, UA_NS0ID_HASPROPERTY),
                            &getMonitoredItems, 1, &inputArguments, 1, &outputArguments, &methodId);
 #endif
 	//start server