get_artifact_feature_references_effect

get_artifact_feature_references_effect = {
	if = {
		limit = {
			artifact_needs_pattern_trigger = yes
		}
		set_artifact_feature_group = decoration_pattern
	}
	if = {
		limit = {
			artifact_needs_material_inlay_trigger = yes
		}
		set_artifact_feature_group = decoration_material_inlay
	}
	if = {
		limit = {
			artifact_needs_material_wire_trigger = yes
		}
		set_artifact_feature_group = decoration_material_wire
	}
	if = {
		limit = {
			artifact_needs_material_cloth_trigger = yes
		}
		set_artifact_feature_group = generic_material_cloth
	}
	if = {
		limit = {
			artifact_needs_material_gem_trigger = yes
		}
		set_artifact_feature_group = decoration_material_gem
	}
	if = {
		limit = {
			artifact_needs_material_hsb_trigger = yes
		}
		set_artifact_feature_group = decoration_material_inlay_HSB
	}
	if = {
		limit = {
			artifact_needs_material_wood_trigger = yes
		}
		set_artifact_feature_group = generic_material_wood
	}
	if = {
		limit = {
			has_artifact_feature = decoration_pattern_local_animal
		}
		scope:owner = {
			select_local_animal_effect = { TYPE = any } # Save scope to limit possible animals: any/big/small/dangerous/harmless/prowling
		}
	}
	if = {
		limit = {
			has_artifact_feature = icon_decoration_pattern_saint
		}
		set_artifact_feature_group = icon_decoration
		scope:owner = {
			select_random_saint_effect = yes
		}
	}
}

As written in game/common/scripted_effects/00_ep1_artifact_creation_effects.txt.