Automatic Recording on Server side

Im new to Jitsi / jbri, I successfully installed jitsi , jibri and all its components, now i need to record all my conferences automatically to my jitsi server HDD, with out notifying recording to all participants.

I found few settings on config, which is following, but i did not found detailed description / documents, Im not sure is this configurations help me.

autoCaptionOnRecord: false,
autoRecord
autoRecordToken

A quick help will be highly appreciated