Voucher Schema

1. Internal seller

1.1. By product

1.2. By tag

1.3. By gmv

2. External seller

2.1. By order amount

2.2. By product

3. Marketing

3.1. Newbie

3.2. Churn

3.3. Loyalty Point

3.4. Referral

3.5. Game / Daily checkin / Gamification / Live stream

3.6. Birthday

3.7. Onboaring

3.8. Accounting Refund

3.9. Retention

3.10. Campaign (by tag / product / gmv)