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# SKProductDiscount.PaymentMode.payAsYouGo

A constant that indicates a product discount that applies over a single billing period or multiple billing periods.

```
case payAsYouGo
```

## Discussion

With a pay as you go payment mode, users pay the discounted price at each billing period during the discount period.

![Example of a subscription timeline with a pay as you go payment mode. The  introductory price is billed three times.](images/com.apple.storekit/media-2942132.png)

---

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