send_cart Webhook Event Reference

Updated: Jan 23, 2024

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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` Field	Description
`id` string	The Page-scoped ID for the person who sent a message to your business

`recipient`

`recipient` Field	Description
`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