pam_challenge_hof_war_fire_followup_events_effect

pam_challenge_hof_war_fire_followup_events_effect = {
	# The letter always comes from whoever now holds the seat, never from a lay sponsor.
	if = {
		limit = { has_variable = pam_ch_hof_var_carrier }
		var:pam_ch_hof_var_carrier = {
			pam_challenge_hof_war_restore_scopes_from_vars_effect = yes
			if = {
				limit = { var:pam_ch_hof_outcome ?= flag:attacker_victory }
				scope:pam_ch_hof_new_hof ?= { save_scope_as = pam_ch_hof_winner }
			}
			else = {
				save_scope_as = pam_ch_hof_winner
			}
		}
	}
	else = {
		pam_challenge_hof_war_restore_scopes_from_vars_effect = yes
		if = {
			limit = { var:pam_ch_hof_outcome ?= flag:attacker_victory }
			scope:pam_ch_hof_new_hof ?= { save_scope_as = pam_ch_hof_winner }
		}
		else = {
			save_scope_as = pam_ch_hof_winner
		}
	}
	if = {
		limit = { NOT = { exists = scope:pam_ch_hof_winner } }
		faith.religious_head ?= { save_scope_as = pam_ch_hof_winner }
	}
	pam_challenge_hof_war_fire_faith_letter_effect = yes
}

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