create_artifact_reichskrone_effect

create_artifact_reichskrone_effect = {
	# Get the character the artifact is being made for.
	$OWNER$ = { save_scope_as = owner }

	set_artifact_rarity_illustrious = yes

	# Create the artifact
	create_artifact = {	
		name = reichskrone_name
		description = reichskrone_description
		type = helmet
		visuals = hre_crown
		wealth = scope:wealth
		quality = scope:quality
		template = reichskrone_template
		history = {
			type = created
			date = 962.1.1
			recipient = character:1282 #Otto I
			location = province:2092 #Aachen
		}
		modifier = reichskrone_modifier
		save_scope_as = newly_created_artifact
		decaying = no
	}

	scope:newly_created_artifact = {
		set_variable = { name = historical_unique_artifact value = yes }
		set_variable = {
			name = artifact_succession_title
			value = title:e_hre
		}
		add_artifact_title_history = {
			target = title:e_hre
			date = 962.1.1
		}
		set_variable = {
			name = reichskrone
			value = yes
		}
		save_scope_as = epic
	}
}

As written in game/common/scripted_effects/01_exp1_historical_artifacts_creation_effect.txt.