coronation_save_crowning_artifact_effect

coronation_save_crowning_artifact_effect = {
	if = {
		limit = {
			coronation_proper_artifact_regalia_trigger = no
		}
		ordered_character_artifact = {
			order_by = artifact_rarity
			limit = {
				artifact_slot_type = helmet
				has_variable = artifact_succession_title
				var:artifact_succession_title = {
					this = $HOST$.primary_title
				}
			}
			alternative_limit = {
				artifact_slot_type = helmet
				NOT = { has_variable = artifact_succession_title }
			}
			alternative_limit = {
				artifact_slot_type = helmet
			}
			save_scope_as = crowning_artifact
		}
	}
	else = {
		ordered_character_artifact = {
			order_by = artifact_rarity
			limit = {
				artifact_slot_type = regalia
				has_variable = artifact_succession_title
				var:artifact_succession_title = {
					this = $HOST$.primary_title
				}
			}
			alternative_limit = {
				artifact_slot_type = regalia
				NOT = { has_variable = artifact_succession_title }
			}
			alternative_limit = {
				artifact_slot_type = regalia
			}
			save_scope_as = crowning_artifact
		}
	}
}

As written in game/common/scripted_effects/10_ach_effects.txt.