moved reset

com.unity.perception/Runtime/Randomization/ParameterBehaviours/RandomParametersAsset.cs

 using System.Collections.Generic;
 using UnityEngine;
 using UnityEngine.Perception.Randomization.Parameters;
+using UnityEngine.Perception.Randomization.Samplers;
 
 namespace Randomization.ParameterBehaviours
 {
+
+        /// <summary>
+        /// Reset to default values in the Editor
+        /// </summary>
+        void Reset()
+        {
+            foreach (var parameter in parameters)
+            foreach (var sampler in parameter.samplers)
+                sampler.baseSeed = SamplerUtility.GenerateRandomSeed();
+        }
     }
 }

com.unity.perception/Runtime/Randomization/Scenarios/ScenarioBase.cs

         static ScenarioBase s_ActiveScenario;
         bool m_SkipFrame = true;
         bool m_FirstScenarioFrame = true;
-        bool m_WaitingForFinalUploads = false;
+        bool m_WaitingForFinalUploads;
+
+        [SerializeReference] public RandomParametersAsset[] parameters;
 
         /// <summary>
         /// If true, this scenario will quit the Unity application when it's finished executing