- Save your shop ID as well as your certificates provided in the module's Back Office.
- Refer to the next chapter and install the payment module.
WARNING: Since the module version 1.9.0, a new parameter has been added: Signature algorithm. By default, this field is set to SHA-256 and its value must be the same as the selected algorithm in the PayZen Back Office (Settings > Shop). If they are different, you will have to change the configuration in the PayZen Back Office.