Open the „Settings“ for the open call for which you wish to create a discount code. You get there via the "Settings" button next to the call title on hosts.picter.com.
Under Fees:
Edit „Vouchers"
+New Voucher
Generate the code
Define the value and type (for example 100%, or a fixed value like 5€)
You can set a limit (for example of 10x usages for each code)
If necessary you can define an expiration date for the code
To delete or edit a an existing code open the three horizontal dots menu on the voucher code list for that specific code.

