1. Ensure that your payment gateway is set up firstly. 

2. Set a price on the league details page for the shared payment (this should be a total price for the season) then enter this in the "Full Price" section of the league you are looking to open registrations for as seen in below image.

3. In the Online Registrations Settings section, ensure that team registrations are set to “Open” as shown in the screenshot above.

4. Show all players the shared payments article on how to go through the registration process right through to the shared payment section as seen here - https://desk.zoho.com/portal/motio/kb/articles/shared-payments