Capture the point, etc

Does anyone know how can I make a game mode like: Capture the point, Assult? Basiclly after taking control of a point by Team B which is defending by Team A, , they need to take over another control point of team A untill obviously the last control point of team A. I dont know if I expained it enough. But if you know what I mean pls help me out

Seen this one called Tug of War in the Docs,

damnn, thats exactly what I was talking about, thanks mate