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  "identifier" : "/documentation/ApplePayontheWeb/ApplePayRecurringPaymentRequest/trialBilling",
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# trialBilling

The trial billing cycle for the recurring payment.

```
ApplePayLineItem trialBilling;
```

## Discussion

The trial billing cycle is optional; use it if the recurring payment has a trial period.

> Note:
> Set the ``doc://com.apple.applepayontheweb/documentation/ApplePayontheWeb/ApplePayLineItem/paymentTiming`` property of the line item to `"recurring"` to avoid an error.

---

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