-std::string resourceUri = "/a/TempSensor";
-std::string resourceType = "oic.r.temperaturesensor";
-std::string resourceInterface = "oic.if.";
-std::string attributeKey = "Temperature";
-int isPresenceOn = PRESENCE_ON;
+const std::string TEMPERATURE_URI = "/a/TempSensor";
+const std::string LIGHT_URI = "/a/light";
+const std::string TEMPERATURE_RT = "oic.r.temperaturesensor";
+const std::string LIGHT_RT = "oic.r.light";
+const std::string TEMPERATURE_AK = "Temperature";
+const std::string LIGHT_AK = "Brightness";
+const std::string RESOURCE_INTERFACE = "oic.if.";