Create a custom code label that you can map gateway response codes to, in addition to the built-in labels.

1. On the Response Codes tab, click the Menu icon in the upper right, and then click Edit Code Labels.
2. In the Edit Code Labels window, click Create Code Label.
3. Enter a name and description for the custom label, and then click Create.
   Note: You can delete a custom label only when no response code is mapped to it.