isLocal 

Namespace: SynicSugar.P2P

public UserId OwnerUserID

Description 

UserID of the owner of the instance.
For example, when a user attacks others, get this UserID and

In future, the Setter Property is changed to Init.

using SynicSugar.P2P;
using UnityEngine;
using MemoryPack;

[NetworkPlayer]
public partial class p2pSample {
    void OnCollisionEnter(Collision collision){
        //MEMO:
        //     I plan to create API for such getting the id way.
        //     Please teach me the good idea about this.
        UserId enemyID = collision.gameObject.GetComponent<p2pSample>().OwnerUserID;
        AttackEnemy(value);
    }
    [Rpc]
    public void AttackEnemy(Attack value){
        //
    }
}

[MemoryPackable]
public partial class Attack {
    public UserId id;
    public int damage;
}