Use this template in the same way that you would use {{User wikipedian for}}. If you leave out the htmlusername parameter, it will just go to X!'s edit counter homepage. If you add the parameter, it will link directly to your edit count. Remember to capitalize appropriately!
There is an optional lowercase parameter for usernames with a lowercase first letter.
Sample code
Resulting infobox
{{User active wikipedian for|year=2001|month=1|day=15}}
User_active_wikipedian_for has been active on Wikipedia for 25years and 5months.
{{User active wikipedian for|year=2001|month=1|day=15|htmlusername=Reaper%2BEternal}}
User_active_wikipedian_for has been active on Wikipedia for 25years and 5months.
{{User active wikipedian for|year=2001|month=1|day=15|htmlusername=Reaper%2BEternal|lowercase=1}}
user_active_wikipedian_for has been active on Wikipedia for 25years and 5months.
