Minecraft: How can each player only execute a command once?

pe
- in Servers
1

I programmed a / start command for my 1.8 Minecraft server.

Now I'm wondering how I can make that each player can only execute this command once.

Minecraft: How can each player only execute a command once
Wa

Save the player UUID in a YML file and then ask if the UUID exists in the YML. If yes you say that the command has already been used, if not then the command is carried out by the player.

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