isHost 

Namespace: SynicSugar.MatchMake
Class: MatchMakeManager

public bool isHost

Description 

Whether this local user is the owner of current Lobby. Only valid during matchmaking.

using Cysharp.Threading.Tasks;
using SynicSugar.MatchMake;
using SynicSugar.P2P;
using UnityEngine;
using UnityEngine.UI;

public class MatchmakingManager : MonoBehaviour {
    public Button Kick;
    //For MemberUpdatedNotifier
    public void SetData(UserId id){
        if(MatchMakeManager.Instance.isHost && !MatchMakeManager.Instance.isLocalUserId(id)){
            Kick.gameObject.SetActive(true);
            Kick.onClick.AddListener(() => MatchMakeManager.Instance.KickTargetFromLobby(id).Forget());
        }
    }
}