From WHMCS Global Services Module Documentation
How to install the module?
- Download the module files from the WGS Client Area.
- Override Crons Folder and Modules Folder in your WHMCS Directory.
- Go to Setup -> Addon Modules -> Recurring Invoice Management
- Click on the Activate Button to activate.
- After then configure it and add your license key.
- Your module has been installed now.
How to generate a new recurring invoice?
- Go to Addons -> Recurring Invoice Management
- Click on Recurring Invoice Management Tab
- Select Client for whom you want to generate the ivoice
- Select Invoice Type (Fixed Or Recurring)
- Select Pay Term (7 Days, Monthly, Quarterly, Semi Annually, Annually)
- Add Subscription Description
- Add Invoice Item Description & Price
- In case you want to apply Tax, select add tax feature
- Add discount description and percentage in case you want to offer a discount.
- Click on generate invoice.