# AcknowledgePurchaseParams.Builder


```
public final class AcknowledgePurchaseParams.Builder
```

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*** ** * ** ***

Helps construct `https://developer.android.com/reference/com/android/billingclient/api/AcknowledgePurchaseParams` that are used to acknowledge a purchase.

## Summary

| ### Public methods |
|---|---|
| `https://developer.android.com/reference/com/android/billingclient/api/AcknowledgePurchaseParams` | `https://developer.android.com/reference/com/android/billingclient/api/AcknowledgePurchaseParams.Builder#build()()` Returns `https://developer.android.com/reference/com/android/billingclient/api/AcknowledgePurchaseParams` reference to initiate acknowledge action. |
| `https://developer.android.com/reference/com/android/billingclient/api/AcknowledgePurchaseParams.Builder` | `https://developer.android.com/reference/com/android/billingclient/api/AcknowledgePurchaseParams.Builder#setPurchaseToken(java.lang.String)(https://developer.android.com/reference/java/lang/String.html purchaseToken)` Specify the token that identifies the purchase to be acknowledged. |

## Public methods

### build

```
public AcknowledgePurchaseParams build()
```

Returns `https://developer.android.com/reference/com/android/billingclient/api/AcknowledgePurchaseParams` reference to initiate acknowledge action.

### setPurchaseToken

```
public AcknowledgePurchaseParams.Builder setPurchaseToken(String purchaseToken)
```

Specify the token that identifies the purchase to be acknowledged.

Mandatory.