How can i disabble default OOC chat?

FiveM Resource Development & Modding Discussion
1

I want to disable ooc chat, where can i do this?
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2

In esx_rpchat resource, the main.lua script server side, at where there is something as

TriggerClientEvent('chat:addMessage', -1, {args = {_U('ooc_prefix', playerName), message}, color = {128, 128, 128}})

remove the _U('ooc_prefix'.......