How to make command /call , /move, etc.

in thread forums.harpywar.com/viewtopic.php?id=1026

i very need code for command /call , /move , etc

about zeloit code :
/call <user>                         <-- call user to your channel
/move <user> <channel>    <-- moving another user to anoother channel
/meet                                   <-- for call all online crew to channel "Crew" for 1 secon join
/follow                                  <-- Following user in channel
/chatcrew                             <-- Chating for all CRew

after i'm looking at all subforum, I didn't find the code.
for Zeloit and HarpyWar or all the people that are here, please help me for completing the code ..