Proactive Send Example

import { LuaJob, Channels } from 'lua-cli';

const appointmentReminders = new LuaJob({
  name: 'appointment-reminders',
  description: 'Send next-day appointment reminders every morning',
  schedule: {
    type: 'cron',
    expression: '0 9 * * *' // every day at 9:00 AM
  },
  execute: async () => {
    const appointments = await getTomorrowsAppointments();

    for (const appt of appointments) {
      try {
        const result = await Channels.send({
          channel: 'whatsapp',
          to: { userId: appt.userId },
          text: `Hi ${appt.name}! Reminder: your appointment is tomorrow at ${appt.time}. Reply here if you need to reschedule.`,
          options: { whatsapp: { onClosedWindow: 'fail' } }
        });

        console.log(`Reminded ${appt.userId} (delivered: ${result.delivered})`);
      } catch {
        // Window closed — start the conversation with an approved template
        await Channels.whatsapp.sendTemplate({
          to: { userId: appt.userId },
          templateName: 'appointment_reminder',
          languageCode: 'en_US',
          components: [
            { type: 'BODY', parameters: [{ type: 'text', text: appt.time }] }
          ],
          messageContext: `Reminded ${appt.name} about their appointment tomorrow at ${appt.time}`
        });
      }
    }
  }
});

export default appointmentReminders;

import { LuaWebhook, Channels } from 'lua-cli';

const paymentConfirmation = new LuaWebhook({
  name: 'payment-confirmation',
  description: 'Notify the customer when their payment succeeds',
  execute: async (event) => {
    const { customerId, amount } = event.body;

    await Channels.send({
      channel: 'whatsapp',
      to: { userId: customerId },
      text: `Payment of $${amount} received — thank you! 🎉`
    });

    return { notified: true };
  }
});

export default paymentConfirmation;