Facebook Methods description: notifications.send
Send a notification to a set of users. You can send messages to the user’s notification page without needing any confirmation. Notifications sent to the notifications page for non-app users are subject to spam control. Additionally, any notification that you send on behalf of a user will be shown on that user’s notifications page as a “sent notification.”
Parameters
| string | api_key | The application key associated with the calling application. |
| string | session_key | The session key of the logged in user. |
| float | call_id | The request’s sequence number. Each successive call for any session must use a sequence number greater than the last. We suggest using the current time in milliseconds, such as PHP’s microtime(true) function. |
| string | sig | An MD5 hash of the current request and your secret key, as described in the authentication guide. |
| string | v | This must be set to 1.0 to use this version of the API. |
| string | format | Optional - desired response format. Either “XML” (default) or “JSON”. |
| string | callback | Optional - wrap the response inside a function call. This is primarily to enable cross-domain javascript requests using the <script> tag, sometimes known as “JSONP“. This works with both XML and JSON. |
| array | to_ids | Comma-separated list of recipient ids. These must be friends of the logged-in user or people who have added your application. If you leave this blank, you can send a notification directly to the session user with no name prefixed to the message. |
| string | notification | FBML for the notifications page. |
The notification parameter is a very stripped-down set of FBML which allows only tags that result in just text and links.
Example Return XML
<?xml version="1.0" encoding="UTF-8"?> <notifications_send_response xmlns="http://api.facebook.com/1.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://api.facebook.com/1.0/ http://api.facebook.com/1.0/facebook.xsd">1160,211031</notifications_send_response>
Response
This returns a comma-separated list of user ids for whom notifications were successfully sent. We will throw an error if an error occurred.
Error codes
| 1 | An unknown error occurred. Please resubmit the request. |
| 2 | The service is not available at this time. |
| 4 | The application has reached the maximum number of requests allowed. More requests are allowed once the time window has completed. |
| 5 | The request came from a remote address not allowed by this application. |
| 101 | The api key submitted is not associated with any known application. |
| 102 | The session key was improperly submitted or has reached its timeout. Direct the user to log in again to obtain another key. |
| 103 | The submitted call_id was not greater than the previous call_id for this session. |
| 104 | Incorrect signature. |
Tags: methods, notifications.send()
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