diff --git a/sessionmanager/event.go b/sessionmanager/event.go
new file mode 100644
index 000000000..443bb2244
--- /dev/null
+++ b/sessionmanager/event.go
@@ -0,0 +1,36 @@
+/*
+Rating system designed to be used in VoIP Carriers World
+Copyright (C) 2012  Radu Ioan Fericean
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>
+*/
+
+package sessionmanager
+
+import (
+	"time"
+)
+
+type Event interface {
+	New(string) Event
+	GetName() string
+	GetDirection() string
+	GetOrigId() string
+	GetSubject() string
+	GetDestination() string
+	GetTOR() string
+	GetUUID() string
+	GetCstmId() string
+	GetStartTime() (time.Time, error)
+}
diff --git a/sessionmanager/sessionmanager.go b/sessionmanager/sessionmanager.go
new file mode 100644
index 000000000..0b8f54183
--- /dev/null
+++ b/sessionmanager/sessionmanager.go
@@ -0,0 +1,24 @@
+/*
+Rating system designed to be used in VoIP Carriers World
+Copyright (C) 2012  Radu Ioan Fericean
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>
+*/
+
+package sessionmanager
+
+type SessionManager interface {
+	DisconnectSession(*Session)
+	GetSessionDelegate() SessionDelegate
+}