def METHOD_NAME(parenttype: str) -> list[str]:
	portal_user = frappe.qb.DocType("Portal User")
	return (
		frappe.qb.from_(portal_user)
		.select(portal_user.parent)
		.where(portal_user.user == frappe.session.user)
		.where(portal_user.parenttype == parenttype)
	).run(pluck="name")