---
title: "Cancel a transaction"
url: "https://docs.adyen.com/point-of-sale/classic-library-deprecation/classic-library-integrations/java-native-interface-integration/key-steps-jni/cancel-or-refund-a-transaction-jni/cancel-a-transaction-jni"
source_url: "https://docs.adyen.com/point-of-sale/classic-library-deprecation/classic-library-integrations/java-native-interface-integration/key-steps-jni/cancel-or-refund-a-transaction-jni/cancel-a-transaction-jni.md"
canonical: "https://docs.adyen.com/point-of-sale/classic-library-deprecation/classic-library-integrations/java-native-interface-integration/key-steps-jni/cancel-or-refund-a-transaction-jni/cancel-a-transaction-jni"
last_modified: "2026-05-23T12:56:20+02:00"
language: "en"
---

# Cancel a transaction

[View source](/point-of-sale/classic-library-deprecation/classic-library-integrations/java-native-interface-integration/key-steps-jni/cancel-or-refund-a-transaction-jni/cancel-a-transaction-jni.md)

## Class

| Name          | Description                                                                           |
| ------------- | ------------------------------------------------------------------------------------- |
| `MerchantPed` | Extends `AdyenPed`. Class used to implement all PIN entry device (PED) functionality. |

## Method

| Name           | Description                                                                                      |
| -------------- | ------------------------------------------------------------------------------------------------ |
| `cancelTender` | Issues a cancel tender request from the PED for a transaction that is currently being processed. |

## Parameters

| Name                 | Type   | Required                                                                                    | Description                                                                         |
| -------------------- | ------ | ------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------- |
| `ped`                | String | ![-white\_check\_mark-](/user/data/smileys/emoji/white_check_mark.png "-white_check_mark-") | Instance of `MerchantPed`. Represents the PED on which the tender will be executed. |
| `terminalIdOfTender` | String | ![-white\_check\_mark-](/user/data/smileys/emoji/white_check_mark.png "-white_check_mark-") | Identifier for the terminal that is processing the tender.                          |
| `tenderReference`    | String | ![-white\_check\_mark-](/user/data/smileys/emoji/white_check_mark.png "-white_check_mark-") | Reference for the tender.                                                           |