MobArena https://www.spigotmc.org/resources/mobarena.34110/

When player is inside arena which enable isolated chat, message should not be sent to discord.

I can make a pull request for this if its welcome

this should be done on mobchat's side by cancelling the message, event.setCancelled(true); for chat messages (when in a isolated chat)

@Vankka there are reason why we dont really wanna cancel the event. MobArena is not a chat plugin, while stuff was done by chat plugins like formatting, anti spam, anti words.... MobArena only changes recipients of message. If we cancel event, we will need to do same chat stuff as a chat plugin from a arena/minigame plugin

Maybe you could hook into this event using DiscordSRV.api.subscribe(new DiscordSRVEventListener()) example event class and cancel it if the message is from a player in a isolated chat

thank for pointing out the solution