get_artifact_wealth_effect

get_artifact_wealth_effect = {
	if = {
		limit = {
			NOT = { exists = scope:wealth }
		}
		save_scope_value_as = {
			name = wealth
			value = {
				if = {
					# If our artifact already has a quality, set base wealth equal to 1/4th quality value.
					limit = { exists = scope:quality }
					add = scope:quality
					multiply = 0.25
					round = yes

				}
				else = {
					add = 10 # Otherwise, set base wealth value to 10.
				}

				if = {
					limit = {
						exists = scope:owner
						scope:owner.highest_held_title_tier >= 0
					}
					add = {
						# Add 10 wealth per character tier (up to a max of 50 wealth for emperors)
						value = scope:owner.highest_held_title_tier
						multiply = 10
					}

					# Add up to 25 wealth, scaling with capital's development
					if = {
						limit = {
							exists = scope:owner.capital_county
						}
						scope:owner.capital_county = {
							add = {
								value = development_level
								multiply = 0.25
							}
						}
					}

					# Tribal rulers get a final 50% penalty of all wealth modifiers for crafted artifacts.
					if = {
						limit = { scope:owner = { government_has_flag = government_is_tribal } }
						multiply = 0.50
					}
				}

				if = {
					limit = {
						exists = scope:inspiration_owner
					}
					scope:inspiration_owner = {
						# Bonuses from Buildings
						if = {
							limit = {
								court_owner ?= {
									any_directly_owned_province = {
										has_building_or_higher = smiths_05
									}
								}
							}
							court_owner = {
								every_directly_owned_province = {
									limit = {
										has_building_or_higher = smiths_05
									}
									add = 2
								}
								every_directly_owned_province = {
									limit = {
										has_building_or_higher = smiths_06
									}
									add = 2
								}
								every_directly_owned_province = {
									limit = {
										has_building_or_higher = smiths_07
									}
									add = 2
								}
								every_directly_owned_province = {
									limit = {
										has_building_or_higher = smiths_08
									}
									add = 2
								}
								every_directly_owned_province = {
									limit = {
										has_building_or_higher = blacksmiths_01
									}
									add = 4
								}
								every_directly_owned_province = {
									limit = {
										has_building_or_higher = blacksmiths_02
									}
									add = 8
								}
								every_directly_owned_province = {
									limit = {
										has_building_or_higher = blacksmiths_03
									}
									add = 12
								}
							}
						}
						if = { # Special Mines boost things significantly
							limit = {
								court_owner ?= {
									any_directly_owned_province = {
										has_any_special_mine_trigger = yes
									}
								}
								OR = {
									ep1_character_had_or_has_inspiration_type_trigger = { TYPE = armor }
									ep1_character_had_or_has_inspiration_type_trigger = { TYPE = weapon }

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