com.unity.perception/com.unity.perception/Runtime/GroundTruth/SimulationManagementComponentSystem.cs

using System;
using Unity.Entities;

namespace UnityEngine.Perception.GroundTruth
{
    class SimulationManagementComponentSystem : ComponentSystem
    {
        protected override void OnUpdate()
        {
            SimulationManager.SimulationState?.Update();
        }
    }
}