From Openkore Wiki
List of players authorized to use Chat Commands. By default, players not in this list are not authorized.
The format of this file is simply a set of lines that observes the following syntax:
<player's name> <authorized flag>
This is the name of the player that you want to authorize or unauthorize.
- <authorized flag>
This is a boolean that controls if Kore should allow the player to use chat commands on Kore.
In the following example, player botMaster will be able to command Kore using Chat Commands.