message_deliveries
Webhook Event ReferenceThis callback will occur when a message a Page has sent has been delivered. You can subscribe to this callback by selecting the message_deliveries
field when setting up your webhook.
{ "sender":{ "id":"<PSID>" }, "recipient":{ "id":"<PAGE_ID>" }, "delivery":{ "mids":[ "mid.1458668856218:ed81099e15d3f4f233" ], "watermark":1458668856253 } }
sender
sender Field | Description |
---|---|
| The Page-scoped ID for the person who sent a message to your business |
| The reference for a person who used the Chat Plugin to messsage your business |
recipient
recipient Field | Description |
---|---|
| The ID for your Facebook Page |
delivery
Property | Type | Description |
---|---|---|
| Array | Array containing message IDs of messages that were delivered. Field may not be present. |
| Number | All messages that were sent before this timestamp were delivered |
Both mids
and watermark
fields are used to determine which messages were delivered. watermark
is always present and mids
is sometimes present. mids
provides delivery receipts on a per-message basis but may not be present (due to backward compatibility reasons with older Messenger clients). watermark
is always present and is a timestamp indicating that all messages with a timestamp before watermark
were delivered.