Installing and configuring plugin Ceneo trusted reviews for Hikashop
First of all, in your Hikashop admin panel create "order" custom field, give the column name for example "order_ceneo_agreement", choose field type "checkbox", set value "yes" and type your agreement info as a title.
Next, install the plugin package, go to Extensions -> Plugins -> edit Ceneo Zaufane Opinie for Hikashop plugin and place your settings according to your custom field config from the step above, also insert your Ceneo account id. Don't forget to publish your plugin. That's all.