UnityEngine.Events.UnityEvent.RegisterPersistentListener C# (CSharp) Method

        internal void RegisterPersistentListener(int index, UnityAction call)
        {
            if (call == null)
            {
                Debug.LogWarning("Registering a Listener requires an action");
            }
            else
            {
                base.RegisterPersistentListener(index, call.Target as UnityEngine.Object, call.Method);
            }
        }