> ## Documentation Index
> Fetch the complete documentation index at: https://docs.apifycloud.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Reaction

> Send a WhatsApp reaction message

## Request

`type` must be `reaction`.

### Field types

* `to`: string (required)
* `type`: string = `reaction` (required)
* `reaction`: object (required)
* `reaction.message_id`: string (required)
* `reaction.emoji`: string (required)

```json theme={null}
{
  "to": "+573001112233",
  "type": "reaction",
  "reaction": {
    "message_id": "wamid.HBgL...",
    "emoji": "\\ud83d\\udc4d"
  }
}
```