Is raid in combat question

Guides UI and Macro
1

will this fire if anyone in the party or raid is in combat?

UnitAffectingCombat

2

That’s not an event
https://warcraft.wiki.gg/wiki/API_UnitAffectingCombat

maybe somehthing like:
https://warcraft.wiki.gg/wiki/UNIT_COMBAT

It’s unclear what you are wanting to achieve.