Method has now an return value

robot.py

@@ -140,6 +140,12 @@ async def main():
     #getting node ids of battery and position
     robotposname = "2:" + positionobject.name
     positionrobot = await mobilerobot.get_child([robotposname])
+    positionrobot.set_writable(True)
+
+    @uamethod
+    def goTo(parent, position):
+        positionrobot.set_value(position)
+        return position
 
     batteryvarname = "2:" + batteryobject.name
     batterymeas = await mobilerobot.get_child([batteryvarname])
@@ -148,7 +154,7 @@ async def main():
     tcpvarmeas = await mobilerobot.get_child([tcpvarname])
 
     #adding function goTo to robot
-    goTofunc = await mobilerobot.add_method(idx, "goToset", goTo, [vartype, positionrobot])
+    goTofunc = await mobilerobot.add_method(idx, "goToset", goTo, [ua.VariantType.Float], [ua.VariantType.Float])
 
     #batterylow warning event
     batterywarning = await server.create_custom_event_type(idx, "BatteryLowWarning", ua.ObjectIds.SystemEventType)
@@ -168,6 +174,10 @@ async def main():
     tcpstreamgenmobrob = await server.get_event_generator(tcpstream, mobilerobot)
     tcpstreamgenmobrob.tcpstream = await tcpvarmeas.get_value()
 
+    #tryout für zugriff
+    # tryoutpara = await robot.add_variable(idx, "Try out", , ua.VariantType.StatusCode)
+    # tryoutpara.set_writable(True)
+
     async with server:
         print("Server läuft!")
         time = 0
@@ -178,7 +188,7 @@ async def main():
                 await tcpstreamgenrob.trigger(message = "Robot updatet value [" + str(tcppos[0]) + "," + str(tcppos[1]) + "," + str(tcppos[2]) + "]")
                 await tcpstreamgenmobrob.trigger(
                     message="MobileRobot updatet value [" + str(tcppos[0]) + "," + str(tcppos[1]) + "," + str(tcppos[2]) + "]")
-
+            # await positionrobot.set_value([1.0, 0.0, 0.0])
             batteryload = await batterymeas.get_value()
             #await batterymeas.set_value(19)
             if 20 > batteryload >= 10: