Plz help me with this spawn trigger

[Tazer]

ok,here's the talk,i have epic size map,so i need to maintain the number of units on the map,so heres how my trigger goes,*when unit A enter region A,2 X is created ,and when unit A enter region B,the X is removed*Region A is the gate to next dimension or so,region B is the exit,X is the enemy..so suppose there is a quest kill 5 X on that location,i cant be going out region then in again for it to spawn again...so how would it be if i want it to be*unit A enter region A,2 x created,(so i slay the 2 X)then it spawn 2 X again,not more then 2..in short words it would be..(2 X die after 15 sec another 2 X spawn on that location)...sorry its kinda long....so how do i do it,PLzzzzz reply

 

[Squiggy]

What?
You really need to put some structure in this.

 

[deathismyfriend]

If u have a trigger plz post it.

 

[Lactor Keys]

Didn't understand.
I bet you have "Enter" button on your keyboard, aren't you?

 

[Tazer]

Xd,sorry for being dumb,nvm,il just created spawn unit then,sorry for the lame description

 

[Vinz]

I guess he needs a spawn system in which the spawning is halted after he leaves a region.

 

[deathismyfriend]

I guess he needs a spawn system in which the spawning is halted after he leaves a region.

im not sure he still didnt explain better or show any triggers he had.

 

[Tazer]

guys it ok! yeah,iv solved it myself..again sorry for the lame description,,,