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Quiz events help you track product recommendation quizzes, style finders, assessments, and other interactive quiz experiences. Use these events to understand quiz completion rates, segment customers by quiz results, and trigger personalized follow-up flows.
Custom Events — Quiz events are not automatically tracked. Fire them manually using the JavaScript SDK at the appropriate points in your quiz flow.

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Available Events

quiz_completed

Fires when a visitor completes a quiz. Captures the result, recommended products, and completion time.

quiz_question_answered

Fires when a visitor answers an individual question. Use for funnel analysis and drop-off tracking.

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Use Cases

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Product Recommendation Quizzes

Track quizzes that help customers find the right product: 
// Track each question for funnel analysis
window._upstack('track', 'quiz_question_answered', {
  quiz_id: 'skin-type-finder',
  question_id: 'q1',
  question_text: 'What is your skin type?',
  answer_id: 'oily',
  answer_text: 'Oily',
  question_number: 1,
  total_questions: 5
});

// Track quiz completion with results
window._upstack('track', 'quiz_completed', {
  quiz_id: 'skin-type-finder',
  quiz_name: 'Find Your Perfect Skincare Routine',
  result_id: 'oily-acne-prone',
  result_name: 'Oily & Acne-Prone Skin',
  recommended_products: ['SKU-1234', 'SKU-5678'],
  questions_answered: 5,
  time_to_complete: 120
});

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Funnel Analysis

Track quiz_question_answered for each question to identify where users drop off:
QuestionStartedCompletedDrop-off
Q1: Skin Type1,0009208%
Q2: Concerns9208507.6%
Q3: Budget8507808.2%
Q4: Routine7807503.8%
Q5: Products7507204%
Completed—72028% total

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Klaviyo Personalization

Use quiz results to trigger personalized email flows:
  1. Fire quiz_completed with result_id and result_name
  2. In Klaviyo, create a flow triggered by the quiz_completed event
  3. Use the result_id property to branch into different email sequences
  4. Include recommended_products in product recommendation blocks

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Destination Support

Destinationquiz_completedquiz_question_answered
Meta CAPI✅ Custom event✅ Custom event
TikTok Events API✅ Supported✅ Supported
Klaviyo✅ Full support with properties✅ Full support
GA4✅ Custom event✅ Custom event
Webhook✅ Raw payload✅ Raw payload
Best practice: Always include quiz_id on both events so you can correlate question-level data with completion data in your analytics.
  • Custom Events — General guide for firing custom events
  • lead — Capture contact info during or after quiz
  • view_content — Track when quiz results show product recommendations