In order to activate Pushover notifications you need to go under Settings -> Modules -> Notification Modules. Then, you have to click 'Activate' tab next to Pushover notifications module. To configure the activated module, you ought to go under Settings -> Modules -> Notification Modules -> [MODULE] -> Edit Configuration.
Open administrator settings in HostBill.
Copy your User Key to User Key field in admin settings.
Create an application on Pushover.
Set Name, Description, Icon and submit button "Create Application".
Copy API Token to API Token field in HostBill module configurations.
Customers enter their user key in the "Pushover user key" field in the client profile.
