diff --git a/buffet/dbus_constants.cc b/buffet/dbus_constants.cc
index 746058e..f352bbe 100644
--- a/buffet/dbus_constants.cc
+++ b/buffet/dbus_constants.cc
@@ -18,8 +18,11 @@
 const char kManagerInterface[] = "org.chromium.Buffet.Manager";
 const char kManagerServicePath[] = "/org/chromium/Buffet/Manager";
 
-const char kManagerUpdateStateMethod[] = "UpdateState";
-const char kManagerRegisterDeviceMethod[] = "RegisterDevice";
+const char kManagerCheckDeviceRegistered[]  = "CheckDeviceRegistered";
+const char kManagerGetDeviceInfo[]          = "GetDeviceInfo";
+const char kManagerStartRegisterDevice[]    = "StartRegisterDevice";
+const char kManagerFinishRegisterDevice[]   = "FinishRegisterDevice";
+const char kManagerUpdateStateMethod[]      = "UpdateState";
 
 }  // namespace dbus_constants