MaxLobbyMembers 

Namespace: SynicSugar.MatchMake
Class: Lobby

public uint MaxLobbyMembers

Description 

Capacity of Lobby that Host's creating.

using SynicSugar.MatchMake;

public class LobbyCondition : MonoBehaviour {
    void SetLobbyConditions(){
        Lobby lobby = new Lobby();
        lobby.MaxLobbyMembers = 10;
    }
}