javascript
// Initialize the SaaSApp client
import { ZEROHUB } from '@zerohub/sdk'

const client = new ZEROHUB({
  apiKey: process.env.ZEROHUB_API_KEY,
  environment: 'production'
})

// Authenticate a user
async function authenticateUser(email, password) {
  try {
    const { user, token } = await client.auth.login({
      email,
      password
    })
    
    // Store token securely
    localStorage.setItem('zerohub_token', token)
    
    return user
  } catch (error) {
    console.error('Authentication failed:', error)
    throw error
  }
}