Creates a game for 4 person to join, and then sends notification to all of them when the game is set. I have specifically created this game for our kicker table in the office, but you can change the concept to fit whatever you want by adjusting participant count.
The person who creates the game is automatically joined:
When everyone leaves / there is no one in the game, the game gets cancelled. (To prevent pollution in the channel):
When all slots get filled, text changes and it sends notification to everyone to inform that the game is ready: