> For the complete documentation index, see [llms.txt](https://docs.payments.thalescloud.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.payments.thalescloud.io/nfc-payment/implement-nfc-payment/support-transaction-history.md).

# Support transaction history

### Overview

The issuer application can show past payment transactions for a digital card.

After a payment completes, the issuer application receives a transaction notification. It forwards that notification to the D1 SDK, then retrieves the transaction history for the card.

### Flow

#### Handle transaction notifications

After a transaction completes, the issuer application receives a transaction push notification.

Forward the message to the D1 SDK. If processing succeeds, the D1 SDK returns `PushResponseKey.TYPE_TRANSACTION_NOTIFICATION` with the `cardId` and `lastCallTimestamp`.

The issuer application can then refresh the transaction history for that card.

For notification payload handling details, see [Message handling](/nfc-payment/integrate-d1-sdk/getting-started/configuration/4.-push-notifications/message-handling.md).

#### Retrieve transaction history

Call `getTransactionHistory()` to retrieve the payment history for a card.

{% hint style="warning" %}
The card must already be digitized before the issuer application calls `getTransactionHistory()`.
{% endhint %}

### SDK

{% tabs %}
{% tab title="Android Kotlin" %}

```kotlin
fun getTransactionHistory(d1Task: D1Task, cardId: String) {
    val d1PayWallet: D1PayWallet = d1Task.d1PayWallet
    d1PayWallet.getTransactionHistory(cardId,
        object : D1Task.Callback<TransactionHistory?> {
            override fun onSuccess(data: TransactionHistory?) {
                // Update the UI, for example by showing the transaction history list.
            }

            override fun onError(exception: D1Exception) {
                // Handle the error.
            }
        }
    )
}
```

{% endtab %}

{% tab title="Android Java" %}

```java
public void getTransactionHistory(@NonNull D1Task d1Task, @NonNull String cardId) {
    D1PayWallet d1PayWallet = d1Task.getD1PayWallet();
    d1PayWallet.getTransactionHistory(cardId,
        new D1Task.Callback<TransactionHistory>() {
            @Override
            public void onSuccess(@Nullable TransactionHistory data) {
                // Update the UI, for example by showing the transaction history list.
            }

            @Override
            public void onError(@NonNull D1Exception exception) {
                // Handle the error.
            }
        }
    );
}
```

{% endtab %}
{% endtabs %}


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