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When subscribe to eBay Platform Notifications, an application can set UserData.ExternalUserData to identify individual user account.
To enable platform notification events and also associate the UserData.ExternalUserData for each of your platform notification subscribers, you will need to make two SetNotificationPreferences calls with the same Auth & Auth token for each users or subscribers. Here are the steps:
1. Subscribe to platform notification user events by passing the UserDeliveryPreferenceArray container as below in the SetNotificationPreferences API request:
| <?xml version="1.0" encoding="utf-8"?> <SetNotificationPreferencesRequest xmlns="urn:ebay:apis:eBLBaseComponents"> <Version>1235</Version> <RequesterCredentials> <eBayAuthToken>TOKEN FOR USER_1</eBayAuthToken> </RequesterCredentials> <UserDeliveryPreferenceArray> <NotificationEnable> <EventType>EndOfAuction</EventType> <EventEnable>Enable</EventEnable> </NotificationEnable> <NotificationEnable> <EventType>AuctionCheckoutComplete</EventType> <EventEnable>Enable</EventEnable> </NotificationEnable> <NotificationEnable> <EventType>Feedback</EventType> <EventEnable>Enable</EventEnable> </NotificationEnable> .... </UserDeliveryPreferenceArray> </SetNotificationPreferencesRequest> |
2. Use the same auth tokon and make SetNotificationPreferences call to associate the UserData.ExternalUserData for the use
| <?xml version="1.0" encoding="utf-8"?> <SetNotificationPreferencesRequest xmlns="urn:ebay:apis:eBLBaseComponents"> <Version>1235</Version> <RequesterCredentials> <eBayAuthToken> TOKEN FOR USER_1</eBayAuthToken> </RequesterCredentials> <ApplicationDeliveryPreferences> <ApplicationURL>END POINT URL</ApplicationURL> <ApplicationEnable>Enable</ApplicationEnable> <PayloadVersion>1235</PayloadVersion> </ApplicationDeliveryPreferences> <UserData> <ExternalUserData> Sample ExternalUserData </ExternalUserData> </UserData> </SetNotificationPreferencesRequest> |
3. Make GetNotificationPreferences call and set PreferenceLevel to 'UserData' in the request in order to retrieve UserData.ExternalUserData for the user:
| <?xml version="1.0" encoding="utf-8"?> <GetNotificationPreferencesRequest xmlns="urn:ebay:apis:eBLBaseComponents"> <Version>1235</Version> <RequesterCredentials> <eBayAuthToken>TOKEN FOR USER_1</eBayAuthToken> </RequesterCredentials> <PreferenceLevel>UserData</PreferenceLevel> </GetNotificationPreferencesRequest> |