# SubscriptionUpdateParams.Builder

### SubscriptionUpdateParams.Builder <a href="#id-cn-subscriptionupdateparams.builder-subscriptionupdateparams.builder" id="id-cn-subscriptionupdateparams.builder-subscriptionupdateparams.builder"></a>

`public class SubscriptionUdpateParams extends Object java.lang.Object ↳ com.gaa.sdk.iap.PurchaseFlowParams.SubscriptionUpdateParams.Builder`&#x20;

用於輕鬆創建SubscriptionUdpateParams實例（instance）的builder。

### Public methods <a href="#id-cn-subscriptionupdateparams.builder-publicmethods" id="id-cn-subscriptionupdateparams.builder-publicmethods"></a>

***

#### setProrationMode() <a href="#id-cn-subscriptionupdateparams.builder-setprorationmode" id="id-cn-subscriptionupdateparams.builder-setprorationmode"></a>

`SubscriptionUpdateParams.Builder setProrationMode(ProrationMode prorationMode)`

| **Parameters:**                  |                                   |
| -------------------------------- | --------------------------------- |
| prorationMode                    | 定期支付商品升级或降级的比例分配模式。 ProrationMode |
| **Returns:**                     |                                   |
| SubscriptionUpdateParams.Builder |                                   |

#### setOldPurchaseToken() <a href="#id-cn-subscriptionupdateparams.builder-setoldpurchasetoken" id="id-cn-subscriptionupdateparams.builder-setoldpurchasetoken"></a>

`SubscriptionUpdateParams.Builder setOldPurchaseToken()`

| **Parameters:**                  |                                 |
| -------------------------------- | ------------------------------- |
| String                           | <p>已購定期支付商品的購買</p><p>token。</p> |
| **Returns:**                     |                                 |
| SubscriptionUpdateParams.Builder |                                 |

#### newBuilder <a href="#id-cn-subscriptionupdateparams.builder-newbuilder" id="id-cn-subscriptionupdateparams.builder-newbuilder"></a>

`SubscriptionUpdateParams newBuilder()`

生成SubscriptionUdpateParams的實例（instance）。

| **Returns:**             |   |
| ------------------------ | - |
| SubscriptionUpdateParams |   |

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