Played around with it and you can set permissions using permAssign. Here is an example to add 999 to i_channel_needed_join_power for a channel with the ID 12. PHP: $channel = $ts3->channelGetById(12);$channel->permAssign(137, 999); You can also do permList to see the permissions of the channel Here's a list of all perms (Warning! Long!): You need to register to view spoilers!