--- displayed_sidebar: entitiesSidebar slug: /references/entities/classes/TrackingLink --- import ParameterTypes from "@site/src/components/ParameterTypes" # TrackingLink A tracking link holds information about tracking numbers for a Fulfillment. Tracking Links can optionally contain a URL that can be visited to see the status of the shipment. Typically, the tracking link is provided from the third-party service integrated through the used fulfillment provider. ## Properties `","description":"This contains all the data necessary for the Fulfillment provider to handle the fulfillment.","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"shipped_at","type":"`Date`","description":"The date with timezone at which the Fulfillment was shipped.","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"canceled_at","type":"`Date`","description":"The date with timezone at which the Fulfillment was canceled.","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"metadata","type":"`Record`","description":"An optional key-value map with additional details","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"idempotency_key","type":"`string`","description":"Randomly generated key used to continue the completion of the fulfillment in case of failure.","optional":false,"defaultValue":"","expandable":false,"children":[]}]},{"name":"idempotency_key","type":"`string`","description":"Randomly generated key used to continue the completion of a process in case of failure.","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"metadata","type":"`Record`","description":"An optional key-value map with additional details","optional":false,"defaultValue":"","expandable":false,"children":[]}]} expandUrl="https://docs.medusajs.com/development/entities/repositories#retrieving-a-list-of-records" sectionTitle="TrackingLink"/>