i build some risers in my map but they will not spawn in i enter the zone if i start the map it say zone2 1 spawner
but they dont want to spawn how will i activate them ?

Did you also add the zone in the script? If not, try watching this video. This is what I used to learn mapping

https://www.youtube.com/watch?v=nEvuyhU-sPw&list=PLwlA8xZdjWAg0o9EGpticKPRm8LYZ6yk2&index=24 (video by GAM3VIDZ)