Callback function before the quiz ends to send the collected answers to an external API

This function is useful when you want to:

Process user answers before showing the paywall,
Send answers to a backend or external API,
Extract a value from the response (e.g., external_user_id),
Save that value with AnalyticsManager.setUserProperty,
Ensure redirection to the paywall happens only after processing is done.

function (answers, callback) {
  // 1. Send the answers to your API
  fetch('https://your-api.com/process-answers', {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
      // Optional: Add authorization header if needed
      // 'Authorization': 'Bearer YOUR_API_KEY'
    },
    body: JSON.stringify({ answers: answers })
  })
  .then(response => {
    if (!response.ok) {
      throw new Error('API error');
    }
    return response.json();
  })
  .then(data => {
    // 2. Extract external_user_id
    const externalUserId = data.external_user_id;

    // 3. Save it as a user property
    if (externalUserId) {
      AnalyticsManager.setUserProperty('external_user_id', externalUserId);
    }

    // 4. Continue to the paywall
    callback();
  })
  .catch(error => {
    console.error('Failed to send answers or parse response:', error);

    // Still proceed to paywall if API fails (fallback)
    callback();
  });
}

🧠 Notes

Replace 'https://your-api.com/process-answers' with your actual API endpoint.
You can enrich the payload (e.g., include user_id, session_id, or other metadata if needed).
Make sure the endpoint responds quickly to avoid delays in redirection.
Always call callback() to allow the flow to continue — even on failure.