---
title: "Handle the final state callback"
url: "https://docs.adyen.com/point-of-sale/classic-library-deprecation/classic-library-integrations/com-extension-for-windows-integration/key-steps-com-extension/process-a-basic-transaction-com-extension/handle-the-final-state-callback-com-extension"
source_url: "https://docs.adyen.com/point-of-sale/classic-library-deprecation/classic-library-integrations/com-extension-for-windows-integration/key-steps-com-extension/process-a-basic-transaction-com-extension/handle-the-final-state-callback-com-extension.md"
canonical: "https://docs.adyen.com/point-of-sale/classic-library-deprecation/classic-library-integrations/com-extension-for-windows-integration/key-steps-com-extension/process-a-basic-transaction-com-extension/handle-the-final-state-callback-com-extension"
last_modified: "2026-05-23T12:56:20+02:00"
language: "en"
---

# Handle the final state callback

[View source](/point-of-sale/classic-library-deprecation/classic-library-integrations/com-extension-for-windows-integration/key-steps-com-extension/process-a-basic-transaction-com-extension/handle-the-final-state-callback-com-extension.md)

## Final State Callback

| Name          | Description                                                           |
| ------------- | --------------------------------------------------------------------- |
| `TenderFinal` | When the transaction completes, it triggers the final state callback. |

## Parameters

| Name        | Type                                                                                                                                                                   | Description                                                                                   |
| ----------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------- |
| `pedObj`    | [PedDevice](/point-of-sale/classic-library-deprecation/classic-library-integrations/com-extension-for-windows-integration/com-extension-for-windows-objects/peddevice) | PED object that represents the terminal.                                                      |
| `tenderObj` | [Tender](/point-of-sale/classic-library-deprecation/classic-library-integrations/com-extension-for-windows-integration/com-extension-for-windows-objects/tender)       | The tender that represents the transaction.                                                   |
| `finalObj`  | FinalResponse                                                                                                                                                          | The library returns a final header object, including final status and additional information. |

## Method

| Name                | Description                                                                                                                                                                                                                    |
| ------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| `GetResponseHeader` | Invoke this method on the `finalObj` to get the final status of a transaction and any additional information. Access the header object and additional data with this method, and store this information in private parameters. |

To retrieve the final state of a tender, and determine whether goods or services should be provided to the cardholder, see [Determining the current and final tender stat](/point-of-sale/classic-library-deprecation/classic-library-integrations/com-extension-for-windows-integration/key-steps-com-extension/process-a-basic-transaction-com-extension/determine-the-current-and-final-tender-state-com-extension)[e](/point-of-sale/classic-library-deprecation/classic-library-integrations/com-extension-for-windows-integration/key-steps-com-extension/process-a-basic-transaction-com-extension/determine-the-current-and-final-tender-state-com-extension) .