force_create_head_of_faith_title_effect

force_create_head_of_faith_title_effect = { # Has no cost, should be done manually on a per-case basis
	custom_description = {
		text = create_temporal_head_of_faith
		subject = root
		object = scope:faith
		# No scope:rite: creation events only check mainline rite from rite-scoped flows
		# Temporal HoF
		if = {
			limit = { faith = { has_doctrine_parameter = temporal_head_of_faith } }
			if = {
				limit = {
					faith = { NOT = { exists = religious_head_title } }
				}
				trigger_event = faith_creation.0001 # Creates new dynamic title
			}
			else = { trigger_event = faith_creation.0011 } # Re-uses existing title
		}

		# Spiritual HoF
		else_if = {
			limit = { faith = { has_doctrine_parameter = spiritual_head_of_faith } }
			if = {
				limit = {
					faith = { NOT = { exists = religious_head_title } }
				}
				trigger_event = faith_creation.0002 # Creates new dynamic title
			}
			else = { trigger_event = faith_creation.0012 } # Re-uses existing title
		}
	}

	# Send an informative message to all players about the new HoF
	hidden_effect = {
		save_scope_as = reformer
		faith = {
			save_scope_as = faith
			change_fervor = {
				value = major_fervor_gain
				desc = fervor_gain_recreated_hof
			}
		}
		every_player = {
			if = {
				limit = { faith = scope:faith }
				trigger_event = {
					id = faith_creation.1010
					days = 1
				}
			}
			else = {
				trigger_event = {
					id = faith_creation.1011
					days = 1
				}
			}
		}
	}
}

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