on_white_peace_faction_revolt_war

on_white_peace_faction_revolt_war = {
	if = {
		limit = { exists = scope:attacker.joined_faction  }
		scope:attacker.joined_faction = {
			save_scope_as = current_faction
			every_faction_member = {
				if = {
					limit = {
						exists = scope:current_faction # Can get destroyed as we loop through
					}
					leave_faction_with_cooldown_effect = {
						FACTION = scope:current_faction
						YEARS = faction_war_white_peace_cooldown
					}
				}
				else = {
					add_faction_cooldown_effect = { YEARS = faction_war_white_peace_cooldown }
				}
				scope:defender = {
					add_opinion = {
						target = prev
						modifier = vassal_wp_faction_revolt_war
					}
				}
			}
		}
		scope:current_faction ?= { add_faction_discontent = -200 }
	}
}

As written in game/common/scripted_effects/00_war_effects.txt.