create_artifact_tournament_favor_effect

create_artifact_tournament_favor_effect = {
	# Get the character the artifact is being made for.
	$OWNER$ = {
		get_artifact_quality_effect = yes
		get_artifact_wealth_effect = yes
		save_scope_as = owner
	}
	$RECIPIENT$ = { save_scope_as = recipient }
	hidden_effect_new_object = {
		# Get artifact quality, wealth, and materials
		get_artifact_quality_effect = yes
		get_artifact_wealth_effect = yes
		scope:activity.activity_location = { add_to_list = artifact_material_sources }
		scope:recipient = {
			# Create the artifact
			create_artifact = {
				name = artifact_tournament_favor_name
				creator = scope:owner
				description = placeholder
				visuals = small_box
				type = tournament_favor
				modifier = artifact_monthly_prestige_add_1_modifier
				wealth = scope:wealth
				quality = scope:quality
				max_durability = 10
				save_scope_as = newly_created_artifact
				history = {
					type = given
					location = scope:activity.activity_location
					recipient = scope:recipient
				}
			}
		}
		scope:newly_created_artifact = {
			flag_as_trash_artifact = yes
			set_variable = {
				name = favor_giver
				value = scope:owner
			}
			get_artifact_feature_references_effect = yes
			set_artifact_description = artifact_tournament_favor_description
			switch = {
				trigger = rarity
				illustrious = { add_artifact_modifier = artifact_monthly_prestige_add_4_modifier }
				famed = { add_artifact_modifier = artifact_monthly_prestige_add_3_modifier }
				masterwork = { add_artifact_modifier = artifact_monthly_prestige_add_2_modifier }
				common = { add_artifact_modifier = artifact_monthly_prestige_add_1_modifier }
			}
			add_scaled_artifact_modifier_attractiveness_effect = yes
		}
	}
}

As written in game/common/scripted_effects/04_dlc_ep2_tournament_effects.txt.