ResolverTest.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Scripting;
using UnityEngine.Collections;

#if UNITY_EDITOR
using UnityEditor;
#endif

public class ResolverTest : MonoBehaviour, IExposedPropertyTable
{
	[SerializeField] SampleData bind = null;

	public List<PropertyName> propNameList = new List<PropertyName> ();
	public List<UnityEngine.Object> objectList = new List<UnityEngine.Object>();

	void Update()
	{
		bind.Do (this);
	}

	#region IExposedPropertyTable implementation

	public void SetReferenceValue (PropertyName id, Object value)
	{
		if (PropertyName.IsNullOrEmpty (id))
			return;

		var index = -1;
		index = propNameList.IndexOf (id);
		if (index != -1) {
			propNameList [index] = id;
			objectList [index] = value;
		} else if (value == null) {
			propNameList.Add (id);
			objectList.Add (value);
		}
	}

	public Object GetReferenceValue (PropertyName id, out bool idValid)
	{
		var index = -1;
		index = propNameList.IndexOf (id);
		idValid = index != -1;

		if (idValid) {
			return objectList [index];
		} else {
			return null;
		}
	}

	public void ClearReferenceValue (PropertyName id)
	{
		var index = -1;
		index = propNameList.IndexOf (id);

		if (index != -1) {
			propNameList.RemoveAt (index);
			objectList.RemoveAt (index);
		}
	}

	#endregion


	#if UNITY_EDITOR

	[CustomEditor(typeof(ResolverTest))]
	class ResolverTestEditor : Editor
	{

		public override void OnInspectorGUI ()
		{
			var restest = target as ResolverTest;
			using (var change = new EditorGUI.ChangeCheckScope ()) {
				// バインドする動作を取得
				restest.bind = (SampleData)EditorGUILayout.ObjectField (restest.bind, typeof(SampleData), false);

				if (restest.bind == null)
					return;

				if (change.changed) {
					SetExposedNames (restest);
				}
			}

			// バインド先の情報をキャッシュし、
			// バインド先と自身のオブジェクトを紐付けしたフィールドを取得、
			// 一覧表示する
			var bindedAssetField = new SerializedObject (restest.bind , this.target);

			var iterator = bindedAssetField.GetIterator ();
			bool enterChildren = true; // 最初の子のみ表示する為
			while(iterator.NextVisible(enterChildren)){
				enterChildren = false;
				EditorGUILayout.PropertyField (iterator, true);
			}
		}

		void SetExposedNames(ResolverTest restest)
		{
			var field = new SerializedObject (restest.bind );
			var iterator = field.GetIterator ();
			while(iterator.NextVisible(true)){
				if (iterator.displayName == "Exposed Name") {
					bool result = false;
					restest.GetReferenceValue (iterator.stringValue, out result);
					if (result == false) {
						restest.SetReferenceValue (iterator.stringValue, null);
					}
				}
			}
		}
	}

	#endif
}

SampleAction1.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

[CreateAssetMenu]
public class SampleAction1 : SampleData {

	public ExposedReference<Transform> item;

	new void Reset()
	{
		base.Reset ();
		item.exposedName = "item";
	}

	public override void Do (IExposedPropertyTable resolver)
	{
		var target = obj.Resolve (resolver);
		target.Rotate (Vector3.up * speed);
	}
}

SampleAction2.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

[CreateAssetMenu]
public class SampleAction2 : SampleData {

	public override void Do (IExposedPropertyTable resolver)
	{
		var target = obj.Resolve (resolver);
		target.Rotate (Vector3.right * speed);
	}
}

SampleData.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public abstract class SampleData : ScriptableObject 
{
	// 全SampleDataで使用する予定の設定項目
	[SerializeField]
	protected float speed = 1;
	public ExposedReference<Transform> obj;

	// オブジェクト生成時にexposeを登録しておく
	public void Reset()
	{
		obj.exposedName = "obj";
	}

	public abstract void Do (IExposedPropertyTable resolver);
}