How to disable Announcement of Achievements ingame

[Monjii]

Hello guys,

I can't seem to disable the announcement of achievements from my players in-game.

I did the gamerule, aswell as tried finding the announcement thing in server.properties however I don't have one? Did they update/change something?

 

[Shaff]

/minecraft:gamerule announceAdvancements false in every word (world, end, nether + any other world you have)