You're gonna need to be careful to make sure that the open ground above the pit doesn't become a sniper no-man's-land.
If that happens, whichever team capped the point first would just hang back and pick off enemies before they even have a chance to take back the point, which is no fun.
Here's an example of how you could build the area to avoid this:
While I'm at it, here's an example of how you could structure the area before the point:
I don't wanna imply that you should absolutely do something exactly like these diagrams since it's your map, but I hope this gives you some food for thought.