Is your feature request related to a problem? Please describe.
Im trying to make a weakaura that shows missing debuffs on specific npcIDs nameplates and the issue is that the buff trigger's multi unit settings don't include an npcID setting

Describe the solution you'd like
Buff trigger's multi unit settings should include an npcID setting

Describe alternatives you've considered
Custom code solution

Additional context
Add any other context or screenshots about the feature request here.