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

# Handle progress events

[View source](/point-of-sale/classic-library-deprecation/classic-library-integrations/java-native-interface-integration/key-steps-jni/process-a-basic-transaction-jni/handle-progress-events-jni.md)

## Callback

| Name               | Description                                          |
| ------------------ | ---------------------------------------------------- |
| `progressCallback` | Provides progress status updates of the transaction. |

## Parameter

| Name     | Description                                |
| -------- | ------------------------------------------ |
| `tender` | Object used to hold the tender attributes. |

## Tender Response Attributes

| Name              | Description                                                                                         |
| ----------------- | --------------------------------------------------------------------------------------------------- |
| `additionalData`  | Adyen returns the `additionalData` object, a generic container that can hold extra response fields. |
| `tenderReference` | Reference the PED provides for the transaction, used in reporting on the Adyen payments platform.   |
| `tenderState`     | Transaction state.                                                                                  |
| `adyenResult`     | Transaction result details.                                                                         |

## Determine the current and final tender state

Adyen provides a method to determine the current, or final, tender state. For more information, see [Determine the current and final tender state - JNI](/point-of-sale/classic-library-deprecation/classic-library-integrations/java-native-interface-integration/key-steps-jni/process-a-basic-transaction-jni/determine-the-current-and-final-tender-state-jni).