unit auto spawn checking condition?

[vizard10]

um , i am trying to make a trigger which is like , when you finish killing every units in a certain region , it will automatically run a countdown timer which lasts for 25 seconds , then spawn for the next wave.
i need help with this . .

 

[Pharaoh_]

• Death
  • Events
    • Unit - A unit Dies
  • Conditions
    • (Region 000 <gen> contains (Triggering unit)) Equal to True
  • Actions
    • Set Group = (Units in Region 000 <gen> matching ((((Matching unit) is alive) Equal to True) and ((Owner of (Matching unit)) Equal to (Triggering player))))
    • If (All Conditions are True) then do (Then Actions) else do (Else Actions)
      • If - Conditions
        • (Number of units in Group) Equal to 0
      • Then - Actions
        • Countdown Timer - Start Timer as a One-shot timer that will expire in 25.00 seconds
      • Else - Actions
    • Custom script: call DestroyGroup (udg_Group)

• Expiration
  • Events
    • Time - Timer expires
  • Conditions
  • Actions
    • -------- Next wave --------

 

[vizard10]

• Death
  • Events
    • Unit - A unit Dies
  • Conditions
    • (Region 000 <gen> contains (Triggering unit)) Equal to True
  • Actions
    • Set Group = (Units in Region 000 <gen> matching ((((Matching unit) is alive) Equal to True) and ((Owner of (Matching unit)) Equal to (Triggering player))))
    • If (All Conditions are True) then do (Then Actions) else do (Else Actions)
      • If - Conditions
        • (Number of units in Group) Equal to 0
      • Then - Actions
        • Countdown Timer - Start Timer as a One-shot timer that will expire in 25.00 seconds
      • Else - Actions
    • Custom script: call DestroyGroup (udg_Group)

• Expiration
  • Events
    • Time - Timer expires
  • Conditions
  • Actions
    • -------- Next wave --------

cool! thanks . hehe , finally i learned something.