how to use user points with easy social

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hi

do we have a more detailed information on how to set up points using easy social.

i already followed this
www.hikashop.com/support/support/documen...57-using-points.html
and got it to work. but not sure about the other settings.

such as the option to use the points or not, nothing happens when i click on no.

what is POINTS_ROUND_DOWN?

what are virtual points?

what is " Points earning on groups" for?

there are a lot more do we have more docs on this?

thank you