I'm trying to get a trigger to make units that have already spawned in a region to attack-move to another region. The spawning is continuous so i need the attack move option to also be so its constantly sending the new units any help is appreciated the picture attached is all i have so far.

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For event use unit enters region. Then use the issue order action, change no target to targetable and use the attack order with target as the center of the other region.

You could also integrate this into the spawn trigger right after the units are spawned one by one by using "Order <Created Unit> to Attack-Move to Point...". This would prevent any units not explicitly sent to attack from attacking when entering the region.

im still having problems for some reason its not recognizing the recently spawned marines as the created unit anyone got advice?

Strange... maybe some more information can help us solving that issue. So here are some questions and hints what could cause this (since we don't have the map or a screenshot what happens or the triggers)
-How do the Marines spawn (created via trigger or produced by building)?
-Did you remove the Attack Ability of the Marines in data editor or set acceleration/max speed to 0? (order doesn't exist for that unit)
-Is the region big enough? (units may spawn outside the location)
-Are you accidentially moving or resizing the region? (units are outside the location)
-Does that effect only apply to some units [-> some Marines attack, some stay where they spawned]? (orders can be canceled, if the unit can't move... event unit becomes idle is triggered when that happens)

That could help us...

so far i have not altered anything in data yes i wanna get the marines to fight first so nothing is altered but triggers.

Events

here is a Screen shot of what i have the trigger before the spawn trigger is just to set alliance so im just dealing with the spawn trigger atm

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Use <Last Created Unit> instead of <Created Unit>. (Have you even bothered to read the descriptions for the functions?)

The method you're trying probably won't work BTW.

Instead:
Use a second trigger with the Event <Unit Enters Region> that uses an Action to issue a point-target order to the <Triggering Unit> instead of ordering <Last Created Unit>, since I'm pretty sure <Last Created Unit> bugs when there are more than 1 unit prescribed in the last Create Unit Action.

i just tried your method and it still wont send the units for some reason i dont understand whats going wrong i have it set to any unit that enters region one to attack point 2 and it wont work i have it as a separate trigger and all also

Try using the order <Attack-move> (or something).

If that doesn't work, show all of your relevant triggers for viewing again.
Or, you might consider simply uploading the map as an attachment.

i just can only find "attack" under the list of orders i get to select from i cant find the "attack-move" one

http://www.staredit.net/257683/

so i have tried all of your suggestions and i still cant get it working here is the map if someone wants to help me getting the marines that spawn in region one to attack-move to point 3 on this map i think i have it right but i dunno it wont work

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2 solutions methods:
- Go map -> map borders and remove the default borders
OR:
- move your regions inside the blue borders...

What is happening in your map:
The trigger creates the units but they don't appear in that region because that region cannot be accecessed by any unit because the region is outside of the gameplay (?) borders...
So they won't be ordered.

edit:
oh and move the points maybe, too

okay perfect i just moved the region to the middle to make sure i had the trigger worked and worked like a charm i couldn't figure out how to take off the borders but moving the region helped thanks so much!