> For the complete documentation index, see [llms.txt](https://onestore-dev.gitbook.io/dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://onestore-dev.gitbook.io/dev/eng/tools/billing/v21/references/classes/acknowledgeparams.md).

# AcknowledgeParams

public class AcknowledgeParams extends Object\
java.lang.Object    ↳ com.gaa.sdk.iap.AcknowledgeParams

\
A parameter to verify the purchased in-app products.

**See Also:**<br>

[PurchaseClient.acknowledgeAsync](/dev/eng/tools/billing/v21/references/classes/purchaseclient.md)(AcknowledgeParams, [AcknowledgeListener](/dev/eng/tools/billing/v21/references/interfaces/acknowledgelistener.md))

\
Summary <a href="#id-en-acknowledgeparams-summary" id="id-en-acknowledgeparams-summary"></a>
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***

| **Nested classes** |                                                                                                                                                 |
| ------------------ | ----------------------------------------------------------------------------------------------------------------------------------------------- |
| class              | <p><a href="/pages/zWYc382CSAOvm5ZHZoEe">AcknowledgeParams.Builder<br></a>A builder that helps create an AcknowledgeParams instance easily.</p> |

<br>

## Public methods <a href="#id-en-acknowledgeparams-publicmethods" id="id-en-acknowledgeparams-publicmethods"></a>

***

### getPurchaseData <a href="#id-en-acknowledgeparams-getpurchasedata" id="id-en-acknowledgeparams-getpurchasedata"></a>

PurchaseData[ ](https://dev.onestore.co.kr/wiki/en/doc/en-purchasedata-38077505.html)getPurchaseData()\
Restores the purchase data of in-apps products.

| **Returns:**                                                                  |             |
| ----------------------------------------------------------------------------- | ----------- |
| [PurchaseData](/dev/eng/tools/billing/v21/references/classes/purchasedata.md) | <p><br></p> |

### getDeveloperPayload <a href="#id-en-acknowledgeparams-getdeveloperpayload" id="id-en-acknowledgeparams-getdeveloperpayload"></a>

String getDeveloperPayload()\
Restores the payload that is specified by the developer.

| **Returns:** |             |
| ------------ | ----------- |
| String       | <p><br></p> |

<br>

### newBuilder <a href="#id-en-acknowledgeparams-newbuilder" id="id-en-acknowledgeparams-newbuilder"></a>

AcknowledgeParams.Builder newBuilder()\
Generates the builder to create an AcknowledgeParams instance.

| **Returns:**                                                                                            |             |
| ------------------------------------------------------------------------------------------------------- | ----------- |
| [AcknowledgeParams.Builder](/dev/eng/tools/billing/v21/references/classes/acknowledgeparams.builder.md) | <p><br></p> |