// hello-customerio.ts
import { TrackClient, RegionUS } from '@customerio/track';

const client = new TrackClient(
  process.env.CUSTOMERIO_SITE_ID!,
  process.env.CUSTOMERIO_API_KEY!,
  { region: RegionUS }
);

async function main() {
  // Step 1: Identify a user
  await client.identify('user-123', {
    email: '[email protected]',
    first_name: 'Hello',
    created_at: Math.floor(Date.now() / 1000)
  });
  console.log('User identified');

  // Step 2: Track an event
  await client.track('user-123', {
    name: 'hello_world',
    data: {
      source: 'sdk-test',
      timestamp: new Date().toISOString()
    }
  });
  console.log('Event tracked');
}

main().catch(console.error);

npx ts-node hello-customerio.ts

import os
from customerio import CustomerIO

cio = CustomerIO(
    site_id=os.environ.get('CUSTOMERIO_SITE_ID'),
    api_key=os.environ.get('CUSTOMERIO_API_KEY')
)

# Identify user
cio.identify(id='user-123', email='[email protected]', first_name='Hello')
print('User identified')

# Track event
cio.track(customer_id='user-123', name='hello_world', source='sdk-test')
print('Event tracked')

// Track anonymous user with device ID
await client.identify('device-abc123', {
  anonymous_id: 'device-abc123',
  platform: 'web'
});