claim_valid_faith_subordinate_trigger

claim_valid_faith_subordinate_trigger = {
	pam_request_legitimacy_priest_trigger = { CHARACTER = scope:puppet_or_actor }
	NOR = {
		is_at_war_with = scope:puppet_or_actor
		has_trait = excommunicated
	}
	# Also used to populate the recipient list, where no recipient exists yet
	trigger_if = {
		limit = { exists = scope:recipient }
		NOR = {
			this = scope:recipient
			is_at_war_with = scope:recipient
		}
	}
	is_available_quick = {
		incapable = no
		imprisoned = no
		hostage = no
		ruler = yes
		adult = yes
	}
	highest_held_title_tier >= tier_duchy
	OR = {
		#Is head of faith
		scope:puppet_or_actor.religious_head_or_challenger ?= scope:recipient
		clergy_claim_title_responsibility_trigger = yes
		#you gotta be able to use your puppet
		scope:puppeteer ?= scope:puppet_or_actor
	}
}

As written in game/common/scripted_triggers/pam_scripted_triggers.txt.