try this:

Code (Text):

1. command /t:
2.     executable by: player
3.     trigger:
4.         teleport player to 0 60 0

 

this is also a example of something you can make

Code (Text):

1. command /set [<text>]:
2.     trigger:
3.         if arg 1 is "spawn":
4.             set {spawn} at the player's location
5.             message "spawn set at %{spawn}%"
6.         else if arg 1 is "lobby":
7.             set {lobby} at the player's location
8.             message "lobby set at %{lobby}%"
9.         else:
10.             message "/set spawn"
11.             message "/set lobby"
12.  
13. command /teleport [<text>]:
14.     trigger:
15.         if arg 1 is "spawn":
16.             teleport the player to {spawn}
17.             message "You are at spawn"
18.         else if arg 1 is "lobby":
19.             teleport the player to {lobby}
20.             message "You are at lobby"
21.         else:
22.             message "/teleport spawn"
23.             message "/teleport lobby"