# PurchaseFlowParams.Builder

public final class PurchaseFlowParams.Builder extends Object\
java.lang.Object    ↳ com.gaa.sdk.iap.PurchaseFlowParams.Builder

\
A builder that helps create a [PurchaseFlowParams](https://onestore-dev.gitbook.io/dev/eng/tools/billing/v21/references/classes/purchaseflowparams) instance easily.

\
Public methods <a href="#id-en-purchaseflowparams.builder-publicmethods" id="id-en-purchaseflowparams.builder-publicmethods"></a>
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### setProductId <a href="#id-en-purchaseflowparams.builder-setproductid" id="id-en-purchaseflowparams.builder-setproductid"></a>

PurchaseFlowParams.Builder setProductId(String productId)

| **Parameters:**            |                       |
| -------------------------- | --------------------- |
| productId                  | ID of in-app products |
| **Returns:**               |                       |
| PurchaseFlowParams.Builder | <p><br></p>           |

### setProductType <a href="#id-en-purchaseflowparams.builder-setproducttype" id="id-en-purchaseflowparams.builder-setproducttype"></a>

PurchaseFlowParams.Builder setProductType(String productType)

| **Parameters:**            |                                                                                                                              |
| -------------------------- | ---------------------------------------------------------------------------------------------------------------------------- |
| productType                | <p><a href="../annptations/purchaseclient.producttype">PurchaseClient.ProductType<br></a>Product type of in-app products</p> |
| **Returns:**               |                                                                                                                              |
| PurchaseFlowParams.Builder | <p><br></p>                                                                                                                  |

### setProductName <a href="#id-en-purchaseflowparams.builder-setproductname" id="id-en-purchaseflowparams.builder-setproductname"></a>

PurchaseFlowParams.Builder setProductType(String productName)

| **Parameters:**            |                                                                                                          |
| -------------------------- | -------------------------------------------------------------------------------------------------------- |
| productName                | Name of products that will be exposed at the time of purchase (not the name of the registered products). |
| **Returns:**               |                                                                                                          |
| PurchaseFlowParams.Builder | <p><br></p>                                                                                              |

### setDeveloperPayload <a href="#id-en-purchaseflowparams.builder-setdeveloperpayload" id="id-en-purchaseflowparams.builder-setdeveloperpayload"></a>

PurchaseFlowParams.Builder setDeveloperPayload(String developerPayload)

| **Parameters:**            |                     |
| -------------------------- | ------------------- |
| developerPayload           | Developer's payload |
| **Returns:**               |                     |
| PurchaseFlowParams.Builder | <p><br></p>         |

### setGameUserId <a href="#id-en-purchaseflowparams.builder-setgameuserid" id="id-en-purchaseflowparams.builder-setgameuserid"></a>

PurchaseFlowParams.Builder setGameUserId(String gameUserId)

| **Parameters:**            |                                                        |
| -------------------------- | ------------------------------------------------------ |
| gameUserId                 | User's ID that is able to be verified by the developer |
| **Returns:**               |                                                        |
| PurchaseFlowParams.Builder | <p><br></p>                                            |

### setPromotionApplicable <a href="#id-en-purchaseflowparams.builder-setpromotionapplicable" id="id-en-purchaseflowparams.builder-setpromotionapplicable"></a>

PurchaseFlowParams.Builder setPromotionApplicable(boolean promotion)

| **Parameters:**            |                                            |
| -------------------------- | ------------------------------------------ |
| promotion                  | Whether the promotion is applicable or not |
| **Returns:**               |                                            |
| PurchaseFlowParams.Builder | <p><br></p>                                |

### setQuantity <a href="#id-en-purchaseflowparams.builder-setquantity" id="id-en-purchaseflowparams.builder-setquantity"></a>

PurchaseFlowParams.Builder setQuantity(int quantity)

| **Parameters:**            |                      |
| -------------------------- | -------------------- |
| quantity                   | Quantity of products |
| **Returns:**               |                      |
| PurchaseFlowParams.Builder | <p><br></p>          |

### setSubscriptionUpdateParams <a href="#id-en-purchaseflowparams.builder-setsubscriptionupdateparams" id="id-en-purchaseflowparams.builder-setsubscriptionupdateparams"></a>

PurchaseFlowParams.Builder setSubscriptionUpdateParams(SubscriptionUpdateParams params)

| **Parameters:**            |                                                                                                              |
| -------------------------- | ------------------------------------------------------------------------------------------------------------ |
| params                     | <p>Mode for upgrade or downgrade of subscription products<br>PurchaseFlowParams.SubscriptionUpdateParams</p> |
| **Returns:**               |                                                                                                              |
| PurchaseFlowParams.Builder | <p><br></p>                                                                                                  |

### build <a href="#id-en-purchaseflowparams.builder-build" id="id-en-purchaseflowparams.builder-build"></a>

PurchaseFlowParams build()\
Creates a PurchaseFlowParams instance.

| **Returns:**                                                                                                          |             |
| --------------------------------------------------------------------------------------------------------------------- | ----------- |
| [PurchaseFlowParams](https://onestore-dev.gitbook.io/dev/eng/tools/billing/v21/references/classes/purchaseflowparams) | <p><br></p> |