focus target?

[deusx]

Ok i need a code that will check if my focus target is meeting specific conditions (casting, have buff/debuff, is/is not in range) and act accordingly.
What i want to use this for is in arenas where while i am targeting the poor guy i am inflicting pain upon have the focus frame set to another target and bot constantly checking that target to see if he can interrupt/dispel/whatever
i.e the similar code used for my target:

Spell.Cast("Dispel Magic", ret => StyxWoW.Me.CurrentTarget.HasAura("Innervate"))

I need the code that does the same thing but to the focus target, while my target remains something/someone else