EOSp2p 

Namespace: SynicSugar.P2P

Description 

This is used by ILPostProcesser.
Basically, this is not intended to be used by Library user.

If we add the network attribute to a method and a field, We can also call these directly.
This 1st arg's byte is ConnectHub.CHANNELLIST.METHOD_OR_VARIABLE. 2nd arg's byte[] is serialized by MemoryPack.

Properity 

using SynicSugar.P2P;
using MemoryPack;
[NetworkPlayer] //For [Rpc]
public class p2pSample {
    void HandSend(){
        EOSp2p.SendPacketToAll((byte)ConnectHub.CHANNELLIST.RPCFuction, MemoryPack.MemoryPackSerializer.Serialize(3)).Forget();
    }

    [Rpc] //Then, SourceGenerator add "RPCFuction" to enum ConnectHub.CHANNELLIST.
    void RPCFuction(int value){
    }
}