# Enable Secure Payload **GoAffPro** provides you with the option to enable secure payloads for conversion callback. To enable secure payload for conversion callback, go to the **SDK Settings** section in the **Settings** tab of the GoAffPro admin panel.

Settings > SDK Settings

Here, go to the Secure Payload section.

Secure Payload

Now, enable the toggle.

Enable the toggle

After this, you can copy the payload key to use it. {% hint style="info" %} You also have the option to refresh the payload key. {% endhint %}