Infratest/Assets/Code/Infrastructure/App/States/BootstrapState.cs

using Code.Infrastructure.SceneLoader; 
using UnityEngine;
using UnityEngine.SceneManagement;

namespace Code.Infrastructure.App.States
{
    [State(typeof(AppStates),typeof(AppStateMachineContext))]
    [StateRaisingEvent]
    public partial class BootstrapState : IOnGameplaySceneLoadedHandler
    {
        private EventBus.EventBus _eventBus;
        public BootstrapState(AppStateMachineContext context, EventBus.EventBus eventBus) : base(context,eventBus)
        {
            _eventBus = eventBus;
        }
        
        public override AppStates myState => AppStates.Bootstrap;
        protected override void OnEnterState()
        {
            _eventBus.Subscribe(this); 
            Context.SceneLoader.LoadSceneAsync(SceneId.Gameplay, LoadSceneMode.Single).Forget();
        }
 
        protected override void OnExitState()
        { 
            _eventBus.Unsubscribe(this);
        }

        public void OnGameplaySceneLoaded()
        {
            Debug.Log("Spermageddon");
        }
    }
}