Other facebook to cbox integration [PAID]


Okey i have a cbox.ws but i really would like to integrate it to facebook account so that user will log in using their facebook to avoid spam. On our website we are using different chatbox too and it uses facebook integration as well. I want to do the same thing on our cbox.ws account it should be connected to facebook user account when they sign in.

Anyone who can help me how to do this please?
Im willing to pay $30-$50 for this shot me a pm thanks!