function teleport(player,command) -- make a function with name teleport
if command == "lsairport" then -- go ahead only if lsairport is the command
setElementPosition(player,x,y,z) -- teleport player to ls airport.
end
end
addCommandHandler("lsairport",teleport) -- add a command to execute teleport function
This is one way of doing it.Read mta wiki to add more features