ReferIO has only one simple command:
You want to invite someone
/refer new. If all works fine you'll get this response:
Referal added. Give this hash to your friend: AABBC
Depending on the server settings you might get:
Maximum pending referals reached!
That means that you'll either have to wait until one of your keys will be used or you can clear the pending requests with
You can check all your referals with
You want to use a key
/refer <your hash> to use your key and you're done. After that a time counter starts and checks for your playtime. If you have played long enough the rewards will be unlocked.
You can check your time counter with