If the Nethris payroll export is activated in your account, you can assign an Earning Code to each Premium which will then translate into new columns in your Nethris Export. You can do so by following one of these two procedures:
When you create the Premium for the first time, the last step will show an "Earning code" field that you can fill right before saving.
Editing the Payroll Integrations Settings
If your premiums have already been created. You can add or edit the earning code matching it in Nethris following these steps:
Go the the "Settings" menu
Change the selector to "Premiums"
Insert the different codes and save.