I know you can create custom emotes, but i was asking myself if these custom emotes are usable on servers
If i create a new animation, will other people see them, and if they do some animations, will I see them or not? Do I need to do something on my client(like adding that animation in my configs) or i will just see them doing that stuffs when I enter on the server?
I'm asking 'cause i'm doing a roleplay series and i need to know it, and sorry if my english isn't perfect but i'm Italian
P.S. i'm asking for 1.12.2

The custom emote needs to be on the client and server.