If Computer has Vision of a Certain Unit

[Riptz]

Is there a way to make a Event Trigger or Condition for when a computer player has vision of a certain unit type?

I'm trying to make an AI that will cast a certain spell (global) when it has vision of an enemy unit.

 

[dianamod27]

There is a condition, ((Picked unit) is visible to Player 1 (Red)) Equal to True