--- displayed_sidebar: fulfillmentReference --- import { TypeList } from "docs-ui" # UpdateZipGeoZoneDTO The attributes to update in the geo zone of type `zip`. `","description":"Holds custom data in key-value pairs.","optional":true,"defaultValue":"","expandable":false,"children":[]},{"name":"province_code","type":"`string`","description":"The lower-case [ISO 3166-2](https://en.wikipedia.org/wiki/ISO\\_3166-2) province code of the geo zone.","optional":true,"defaultValue":"","expandable":false,"children":[]},{"name":"city","type":"`string`","description":"The city of the geo zone.","optional":true,"defaultValue":"","expandable":false,"children":[]},{"name":"postal_expression","type":"`Record`","description":"The postal expression of the geo zone.","optional":true,"defaultValue":"","expandable":false,"children":[]}]} expandUrl="https://docs.medusajs.com/learn/fundamentals/data-models/manage-relationships#retrieve-records-of-relation" sectionTitle="UpdateZipGeoZoneDTO"/>