[Trigger] Help me with trigger! plz

[Kangarooboy]

Please, could someone tell me how to do trigger like this; When unit attacks, attacking unit will lose amount of mana.

I hope you understand what i mean... Im not so good with triggers... PLZ ANSWER

 

[Slaydon]

Variables= Temp Group, Unit Group

• Pick All
  • Events
    • Map initialization
  • Conditions
  • Actions
    • Set TempGroup = (Units in (Playable map area))
    • Unit Group - Pick every unit in TempGroup and do (Actions)
      • Loop - Actions
        • Trigger - Add to Loose Mana when Attacked <gen> the event (Unit - (Picked unit) Is attacked)
    • Custom script: call DestroyGroup(udg_TempGroup)

• Entering
  • Events
    • Unit - A unit enters (Playable map area)
  • Conditions
  • Actions
    • Trigger - Add to Loose Mana when Attacked <gen> the event (Unit - (Entering unit) Is attacked)

• Loose Mana when Attacked
  • Events
  • Conditions
  • Actions
    • Unit - Set mana of (Triggering unit) to ((Mana of (Triggering unit)) - 15.00)