diff --git a/include/transport/rosterresponder.h b/include/transport/rosterresponder.h
index 4fd3aebc36aa57c635534ab60f2df7ed36c1e0ae..80e61b6bc0d4e508cee2ad815249c73dccb0cd28 100644
--- a/include/transport/rosterresponder.h
+++ b/include/transport/rosterresponder.h
@@ -28,12 +28,19 @@
 namespace Transport {
 
 class UserManager;
+class Buddy;
 
 class RosterResponder : public Swift::Responder<Swift::RosterPayload> {
 	public:
 		RosterResponder(Swift::IQRouter *router, UserManager *userManager);
 		~RosterResponder();
 
+		boost::signal<void (Buddy *, const Swift::RosterItemPayload &item)> onBuddyUpdated;
+
+		boost::signal<void (Buddy *)> onBuddyRemoved;
+
+		boost::signal<void (Buddy *, const Swift::RosterItemPayload &item)> onBuddyAdded;
+
 	private:
 		virtual bool handleGetRequest(const Swift::JID& from, const Swift::JID& to, const std::string& id, boost::shared_ptr<Swift::RosterPayload> payload);
 		virtual bool handleSetRequest(const Swift::JID& from, const Swift::JID& to, const std::string& id, boost::shared_ptr<Swift::RosterPayload> payload);