pam_create_holy_myron_artifact_effect

pam_create_holy_myron_artifact_effect = {
	get_artifact_quality_effect = yes
	get_artifact_wealth_effect = yes

	$OWNER$ = {
		create_artifact = {
			name = pam_holy_myron_artifact_name
			description = pam_holy_myron_artifact_desc_$RARITY$
			creator = $CREATOR$
			visuals = flask
			type = miscellaneous
			template = pam_holy_myron_template
			rarity = $RARITY$
			modifier = artifact_placeholder_modifier
			decaying = no
			save_scope_as = newly_created_artifact
			wealth = scope:wealth
			quality = scope:quality
		}
	}
	scope:newly_created_artifact = {
		save_scope_as = pam_myron_vessel
		if = {
			limit = { rarity = common }
			set_variable = {
				name = pam_holy_myron_charges
				value = 1
			}
			add_artifact_modifier = pam_holy_myron_vessel_modifier
		}
		else_if = {
			limit = { rarity = masterwork }
			set_variable = {
				name = pam_holy_myron_charges
				value = 2
			}
			add_artifact_modifier = pam_holy_myron_vessel_modifier
		}
		else_if = {
			limit = { rarity = famed }
			set_variable = {
				name = pam_holy_myron_charges
				value = 3
			}
			add_artifact_modifier = pam_holy_myron_vessel_potent_modifier
		}
		else = {
			set_variable = {
				name = pam_holy_myron_charges
				value = 4
			}
			add_artifact_modifier = pam_holy_myron_vessel_potent_modifier
		}
		# We set the description again once the charge variable exists, reading it through scope:pam_myron_vessel
		set_artifact_description = pam_holy_myron_artifact_desc_charged_$RARITY$
		remove_artifact_modifier = artifact_placeholder_modifier
	}
}

As written in game/common/scripted_effects/pam_effects.txt.