pam_start_investiture_council_effect

pam_start_investiture_council_effect = {
	religion:christianity_religion = {
		every_faith = {
			limit = {
				has_doctrine = doctrine_clerical_succession_conditional
				exists = religious_head
				NOT = { has_variable = investiture_council_pending }
			}
			# Self-clearing flag: if the backstop mis-fires, a later crisis can still convene a fresh council.
			set_variable = { name = investiture_council_pending value = yes days = 1095 }
			# $FAITH$ substitutes literally, so this would resolve to the player below without a saved scope
			save_temporary_scope_as = investiture_pending_faith
			pam_investiture_fire_event_for_participant_players_effect = {
				EVENT = pam_the_christian_church.0058
				FAITH = scope:investiture_pending_faith
			}
			pam_nudge_investiture_council_host_effect = yes
		}
	}
}

As written in game/common/scripted_effects/pam_investiture_council_effects.txt.