[How To?] How to get current user in a thread post

[Electrode]

I would like to know if its possible to get current logged user in a thread post like

Hello electrode, welcome to this thread post

can i echo this? 

{$mybb->user['username']}

[.m.]

^ yes, {$mybb->user['username']} can be used directly on showthread template

[Electrode]

wha i meant was in creating a new thread or post

[.m.]

^ well, you can use it on newthread template & newreply template !