How to make the my new EV charging board work?

Guys,
I am new here.
I just bought a new EV charging PCBA board with 4G/Wifi/BT module, but without OCPP inside.
It can do the EV charging at home, but the shop said I should have OCPP before I can do anything such as the charging current adjust and ISO15118. If I have it, can have compensation from Power Grid.

Please anyone know the steps to do it? Thank you.