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# Add reason code

> Add a reason code for configuring prepaid and drawdown charges in Zuora.

Add a reason code for configuring prepaid and drawdown charges in Zuora.

The created reason code will be used in the configuration of prepaid and drawdown charges.

In your Zuora tenant, navigate to **Settings** > **Payments** > **Configure Reason Codes**.

Select **Invoice Item Adjustment** from the **Define Reason Code** drop-down list.

Click **Add new reason code**.

Enter `Drawdown` in the **Reason Code Name** column for the new line and click **Save**. The reason code is then saved and default to be active.

The Prepaid Drawdown app is ready to be used.

See [Using Prepaid Drawdown](/docs/platform/integration/integration-hub/core-connectors-and-applications/prepaid-drawdown/using-prepaid-drawdown) for more information.