/*
 * This code was auto generated by AfterShip SDK Generator.
 * Do not edit the class manually.
 */

/**
 * The associated return shipment linked to the current outbound shipment.This field is only present when `shipment_direction = "forward"` and AfterShip has detected a linked return shipment.
 */
export interface TrackingReturnShipment {
  /**
   * AfterShip system-assigned unique identifier of the linked return shipment.This field is only returned when both of the following conditions are met:1. AfterShip has detected a linked return shipment.2. The Auto-import for return shipments feature is enabled in your AfterShip account.When auto-import is disabled, `id` will not be returned, but `tracking_number` and `slug` may still be present.To enable this feature, go to .
   */
  id?: string;
  /**
   * Carrier-assigned tracking number of the linked return shipment. Can be used together with `return_shipment.slug` to create a new tracking subscription and retrieve the return shipment's checkpoints.
   */
  tracking_number?: string;
  /**
   * Carrier slug (identifier) of the linked return shipment. Can be used together with `return_shipment.tracking_number` to subscribe to tracking updates for the return shipment.
   */
  slug?: string;
}