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Send an emoji reaction to a previous message.
Webhook limitation: Reaction messages only trigger a ‘sent’ status webhook. Delivered and read webhooks are NOT triggered for reactions.
import { WhatsAppClient } from '@kapso/whatsapp-cloud-api';

const client = new WhatsAppClient({
  baseUrl: 'https://api.kapso.ai/meta/whatsapp',
  kapsoApiKey: process.env.KAPSO_API_KEY!
});

await client.messages.sendReaction({
  phoneNumberId: '647015955153740',
  to: '15551234567',
  messageId: 'wamid.HBgNMTU1NTE0OTU5Nzg1FQIAERgSMDhGRjdBMDEyOTcxQzFFQkFBAA==',
  emoji: '👍'
});