SPLIT
CommandUsage: split <amount to split>
Usage: split
Split is used to split money among people in your group who are in the same room as you. If you are in a group with 4 other people, all of whom are in the same room with you, and you type SPLIT 100, you will give each of the other 4 group members 20 coins each. (100 coins is split 5 ways; you keep your share and give everyone else their share).
Full documentation: Docs Game Commands