Messenger Platform

send_cart Webhook Event Reference

This callback will occur when a message containing cart information has been sent to your Page. Messages are always sent in order.

You can subscribe to this callback by selecting send_cart when setting up your webhook.

Example

{
  "sender": {
    "id": "<PSID>"
  },
  "recipient": {
    "id": "<PAGE_ID>"
  },
  "timestamp": 1458692752478,
  "order": {
    "products": [
      {
        "id": 123,
        "retailer_id": "retailer_id_1",
        "name": "name1",
        "unit_price": 11,
        "currency": "THB",
        "quantity": 1,
      },
      {
        "id": 456,
        "retailer_id": "retailer_id_2",
        "name": "name2",
        "unit_price": 22,
        "currency": "THB",
        "quantity": 2,
      },
    ],
    "note": "foobar",
  }
}

Properties

sender

sender FieldDescription

id

string

The Page-scoped ID for the person who sent a message to your business

recipient

recipient FieldDescription

id

string

The ID for your Facebook Page

order

Property Type Description

products

Array<product>

Array containing product data

note

String

Optional note about the order

order.products

Property Type Description

id

String

Product ID from Facebook product catalog

retailer_id

String

External ID that is associated with the Product (for example, SKU/Content ID)

name

String

Product name

unit_price

Float

Numeric price per unit

currency

String

Currency short string (for example, USD)

quantity

Int

The count of this product in the order