diff --git a/Assets/UniRx.Async/Triggers/AsyncBeginDragTrigger.cs b/Assets/UniRx.Async/Triggers/AsyncBeginDragTrigger.cs
index e17664b..bbecbea 100644
--- a/Assets/UniRx.Async/Triggers/AsyncBeginDragTrigger.cs
+++ b/Assets/UniRx.Async/Triggers/AsyncBeginDragTrigger.cs
@@ -10,7 +10,7 @@ using UnityEngine.EventSystems;
 namespace UniRx.Async.Triggers
 {
     [DisallowMultipleComponent]
-    public class AsyncBeginDragTrigger : AsyncTriggerBase
+    public class AsyncBeginDragTrigger : AsyncTriggerBase, IBeginDragHandler
     {
         AsyncTriggerPromise<PointerEventData> onBeginDrag;
         AsyncTriggerPromiseDictionary<PointerEventData> onBeginDrags;
@@ -22,7 +22,7 @@ namespace UniRx.Async.Triggers
         }
 
 
-        void OnBeginDrag(PointerEventData eventData)
+        void IBeginDragHandler.OnBeginDrag(PointerEventData eventData)
         {
             TrySetResult(onBeginDrag, onBeginDrags, eventData);
         }
diff --git a/Assets/UniRx.Async/Triggers/AsyncCancelTrigger.cs b/Assets/UniRx.Async/Triggers/AsyncCancelTrigger.cs
index f397dde..9b14689 100644
--- a/Assets/UniRx.Async/Triggers/AsyncCancelTrigger.cs
+++ b/Assets/UniRx.Async/Triggers/AsyncCancelTrigger.cs
@@ -10,7 +10,7 @@ using UnityEngine.EventSystems;
 namespace UniRx.Async.Triggers
 {
     [DisallowMultipleComponent]
-    public class AsyncCancelTrigger : AsyncTriggerBase
+    public class AsyncCancelTrigger : AsyncTriggerBase, ICancelHandler
     {
         AsyncTriggerPromise<BaseEventData> onCancel;
         AsyncTriggerPromiseDictionary<BaseEventData> onCancels;
@@ -22,7 +22,7 @@ namespace UniRx.Async.Triggers
         }
 
 
-        void OnCancel(BaseEventData eventData)
+        void ICancelHandler.OnCancel(BaseEventData eventData)
         {
             TrySetResult(onCancel, onCancels, eventData);
         }
diff --git a/Assets/UniRx.Async/Triggers/AsyncDeselectTrigger.cs b/Assets/UniRx.Async/Triggers/AsyncDeselectTrigger.cs
index e1e7ce4..a76b421 100644
--- a/Assets/UniRx.Async/Triggers/AsyncDeselectTrigger.cs
+++ b/Assets/UniRx.Async/Triggers/AsyncDeselectTrigger.cs
@@ -10,7 +10,7 @@ using UnityEngine.EventSystems;
 namespace UniRx.Async.Triggers
 {
     [DisallowMultipleComponent]
-    public class AsyncDeselectTrigger : AsyncTriggerBase
+    public class AsyncDeselectTrigger : AsyncTriggerBase, IDeselectHandler
     {
         AsyncTriggerPromise<BaseEventData> onDeselect;
         AsyncTriggerPromiseDictionary<BaseEventData> onDeselects;
@@ -22,7 +22,7 @@ namespace UniRx.Async.Triggers
         }
 
 
-        void OnDeselect(BaseEventData eventData)
+        void IDeselectHandler.OnDeselect(BaseEventData eventData)
         {
             TrySetResult(onDeselect, onDeselects, eventData);
         }
diff --git a/Assets/UniRx.Async/Triggers/AsyncDragTrigger.cs b/Assets/UniRx.Async/Triggers/AsyncDragTrigger.cs
index b1e4d56..0a36282 100644
--- a/Assets/UniRx.Async/Triggers/AsyncDragTrigger.cs
+++ b/Assets/UniRx.Async/Triggers/AsyncDragTrigger.cs
@@ -10,7 +10,7 @@ using UnityEngine.EventSystems;
 namespace UniRx.Async.Triggers
 {
     [DisallowMultipleComponent]
-    public class AsyncDragTrigger : AsyncTriggerBase
+    public class AsyncDragTrigger : AsyncTriggerBase, IDragHandler
     {
         AsyncTriggerPromise<PointerEventData> onDrag;
         AsyncTriggerPromiseDictionary<PointerEventData> onDrags;
@@ -22,7 +22,7 @@ namespace UniRx.Async.Triggers
         }
 
 
-        void OnDrag(PointerEventData eventData)
+        void IDragHandler.OnDrag(PointerEventData eventData)
         {
             TrySetResult(onDrag, onDrags, eventData);
         }
diff --git a/Assets/UniRx.Async/Triggers/AsyncDropTrigger.cs b/Assets/UniRx.Async/Triggers/AsyncDropTrigger.cs
index 7042c4d..25b6217 100644
--- a/Assets/UniRx.Async/Triggers/AsyncDropTrigger.cs
+++ b/Assets/UniRx.Async/Triggers/AsyncDropTrigger.cs
@@ -10,7 +10,7 @@ using UnityEngine.EventSystems;
 namespace UniRx.Async.Triggers
 {
     [DisallowMultipleComponent]
-    public class AsyncDropTrigger : AsyncTriggerBase
+    public class AsyncDropTrigger : AsyncTriggerBase, IDropHandler
     {
         AsyncTriggerPromise<PointerEventData> onDrop;
         AsyncTriggerPromiseDictionary<PointerEventData> onDrops;
@@ -22,7 +22,7 @@ namespace UniRx.Async.Triggers
         }
 
 
-        void OnDrop(PointerEventData eventData)
+        void IDropHandler.OnDrop(PointerEventData eventData)
         {
             TrySetResult(onDrop, onDrops, eventData);
         }
diff --git a/Assets/UniRx.Async/Triggers/AsyncEndDragTrigger.cs b/Assets/UniRx.Async/Triggers/AsyncEndDragTrigger.cs
index 2b4ce34..0e8f27c 100644
--- a/Assets/UniRx.Async/Triggers/AsyncEndDragTrigger.cs
+++ b/Assets/UniRx.Async/Triggers/AsyncEndDragTrigger.cs
@@ -10,7 +10,7 @@ using UnityEngine.EventSystems;
 namespace UniRx.Async.Triggers
 {
     [DisallowMultipleComponent]
-    public class AsyncEndDragTrigger : AsyncTriggerBase
+    public class AsyncEndDragTrigger : AsyncTriggerBase, IEndDragHandler
     {
         AsyncTriggerPromise<PointerEventData> onEndDrag;
         AsyncTriggerPromiseDictionary<PointerEventData> onEndDrags;
@@ -22,7 +22,7 @@ namespace UniRx.Async.Triggers
         }
 
 
-        void OnEndDrag(PointerEventData eventData)
+        void IEndDragHandler.OnEndDrag(PointerEventData eventData)
         {
             TrySetResult(onEndDrag, onEndDrags, eventData);
         }
diff --git a/Assets/UniRx.Async/Triggers/AsyncInitializePotentialDragTrigger.cs b/Assets/UniRx.Async/Triggers/AsyncInitializePotentialDragTrigger.cs
index 4334b4e..8dda82a 100644
--- a/Assets/UniRx.Async/Triggers/AsyncInitializePotentialDragTrigger.cs
+++ b/Assets/UniRx.Async/Triggers/AsyncInitializePotentialDragTrigger.cs
@@ -10,7 +10,7 @@ using UnityEngine.EventSystems;
 namespace UniRx.Async.Triggers
 {
     [DisallowMultipleComponent]
-    public class AsyncInitializePotentialDragTrigger : AsyncTriggerBase
+    public class AsyncInitializePotentialDragTrigger : AsyncTriggerBase, IInitializePotentialDragHandler
     {
         AsyncTriggerPromise<PointerEventData> onInitializePotentialDrag;
         AsyncTriggerPromiseDictionary<PointerEventData> onInitializePotentialDrags;
@@ -22,7 +22,7 @@ namespace UniRx.Async.Triggers
         }
 
 
-        void OnInitializePotentialDrag(PointerEventData eventData)
+        void IInitializePotentialDragHandler.OnInitializePotentialDrag(PointerEventData eventData)
         {
             TrySetResult(onInitializePotentialDrag, onInitializePotentialDrags, eventData);
         }
diff --git a/Assets/UniRx.Async/Triggers/AsyncMoveTrigger.cs b/Assets/UniRx.Async/Triggers/AsyncMoveTrigger.cs
index 6066c8d..19d0f56 100644
--- a/Assets/UniRx.Async/Triggers/AsyncMoveTrigger.cs
+++ b/Assets/UniRx.Async/Triggers/AsyncMoveTrigger.cs
@@ -10,7 +10,7 @@ using UnityEngine.EventSystems;
 namespace UniRx.Async.Triggers
 {
     [DisallowMultipleComponent]
-    public class AsyncMoveTrigger : AsyncTriggerBase
+    public class AsyncMoveTrigger : AsyncTriggerBase, IMoveHandler
     {
         AsyncTriggerPromise<AxisEventData> onMove;
         AsyncTriggerPromiseDictionary<AxisEventData> onMoves;
@@ -22,7 +22,7 @@ namespace UniRx.Async.Triggers
         }
 
 
-        void OnMove(AxisEventData eventData)
+        void IMoveHandler.OnMove(AxisEventData eventData)
         {
             TrySetResult(onMove, onMoves, eventData);
         }
diff --git a/Assets/UniRx.Async/Triggers/AsyncPointerClickTrigger.cs b/Assets/UniRx.Async/Triggers/AsyncPointerClickTrigger.cs
index 5a9167a..b4ed576 100644
--- a/Assets/UniRx.Async/Triggers/AsyncPointerClickTrigger.cs
+++ b/Assets/UniRx.Async/Triggers/AsyncPointerClickTrigger.cs
@@ -10,7 +10,7 @@ using UnityEngine.EventSystems;
 namespace UniRx.Async.Triggers
 {
     [DisallowMultipleComponent]
-    public class AsyncPointerClickTrigger : AsyncTriggerBase
+    public class AsyncPointerClickTrigger : AsyncTriggerBase, IPointerClickHandler
     {
         AsyncTriggerPromise<PointerEventData> onPointerClick;
         AsyncTriggerPromiseDictionary<PointerEventData> onPointerClicks;
@@ -22,7 +22,7 @@ namespace UniRx.Async.Triggers
         }
 
 
-        void OnPointerClick(PointerEventData eventData)
+        void IPointerClickHandler.OnPointerClick(PointerEventData eventData)
         {
             TrySetResult(onPointerClick, onPointerClicks, eventData);
         }
diff --git a/Assets/UniRx.Async/Triggers/AsyncPointerDownTrigger.cs b/Assets/UniRx.Async/Triggers/AsyncPointerDownTrigger.cs
index 12cb568..aa6bc36 100644
--- a/Assets/UniRx.Async/Triggers/AsyncPointerDownTrigger.cs
+++ b/Assets/UniRx.Async/Triggers/AsyncPointerDownTrigger.cs
@@ -10,7 +10,7 @@ using UnityEngine.EventSystems;
 namespace UniRx.Async.Triggers
 {
     [DisallowMultipleComponent]
-    public class AsyncPointerDownTrigger : AsyncTriggerBase
+    public class AsyncPointerDownTrigger : AsyncTriggerBase, IPointerDownHandler
     {
         AsyncTriggerPromise<PointerEventData> onPointerDown;
         AsyncTriggerPromiseDictionary<PointerEventData> onPointerDowns;
@@ -22,7 +22,7 @@ namespace UniRx.Async.Triggers
         }
 
 
-        void OnPointerDown(PointerEventData eventData)
+        void IPointerDownHandler.OnPointerDown(PointerEventData eventData)
         {
             TrySetResult(onPointerDown, onPointerDowns, eventData);
         }
diff --git a/Assets/UniRx.Async/Triggers/AsyncPointerEnterTrigger.cs b/Assets/UniRx.Async/Triggers/AsyncPointerEnterTrigger.cs
index 2532079..179766d 100644
--- a/Assets/UniRx.Async/Triggers/AsyncPointerEnterTrigger.cs
+++ b/Assets/UniRx.Async/Triggers/AsyncPointerEnterTrigger.cs
@@ -10,7 +10,7 @@ using UnityEngine.EventSystems;
 namespace UniRx.Async.Triggers
 {
     [DisallowMultipleComponent]
-    public class AsyncPointerEnterTrigger : AsyncTriggerBase
+    public class AsyncPointerEnterTrigger : AsyncTriggerBase, IPointerEnterHandler
     {
         AsyncTriggerPromise<PointerEventData> onPointerEnter;
         AsyncTriggerPromiseDictionary<PointerEventData> onPointerEnters;
@@ -22,7 +22,7 @@ namespace UniRx.Async.Triggers
         }
 
 
-        void OnPointerEnter(PointerEventData eventData)
+        void IPointerEnterHandler.OnPointerEnter(PointerEventData eventData)
         {
             TrySetResult(onPointerEnter, onPointerEnters, eventData);
         }
diff --git a/Assets/UniRx.Async/Triggers/AsyncPointerExitTrigger.cs b/Assets/UniRx.Async/Triggers/AsyncPointerExitTrigger.cs
index 29063d4..4d0051e 100644
--- a/Assets/UniRx.Async/Triggers/AsyncPointerExitTrigger.cs
+++ b/Assets/UniRx.Async/Triggers/AsyncPointerExitTrigger.cs
@@ -10,7 +10,7 @@ using UnityEngine.EventSystems;
 namespace UniRx.Async.Triggers
 {
     [DisallowMultipleComponent]
-    public class AsyncPointerExitTrigger : AsyncTriggerBase
+    public class AsyncPointerExitTrigger : AsyncTriggerBase, IPointerExitHandler
     {
         AsyncTriggerPromise<PointerEventData> onPointerExit;
         AsyncTriggerPromiseDictionary<PointerEventData> onPointerExits;
@@ -22,7 +22,7 @@ namespace UniRx.Async.Triggers
         }
 
 
-        void OnPointerExit(PointerEventData eventData)
+        void IPointerExitHandler.OnPointerExit(PointerEventData eventData)
         {
             TrySetResult(onPointerExit, onPointerExits, eventData);
         }
diff --git a/Assets/UniRx.Async/Triggers/AsyncPointerUpTrigger.cs b/Assets/UniRx.Async/Triggers/AsyncPointerUpTrigger.cs
index 1eb0b92..11e5d66 100644
--- a/Assets/UniRx.Async/Triggers/AsyncPointerUpTrigger.cs
+++ b/Assets/UniRx.Async/Triggers/AsyncPointerUpTrigger.cs
@@ -10,7 +10,7 @@ using UnityEngine.EventSystems;
 namespace UniRx.Async.Triggers
 {
     [DisallowMultipleComponent]
-    public class AsyncPointerUpTrigger : AsyncTriggerBase
+    public class AsyncPointerUpTrigger : AsyncTriggerBase, IPointerUpHandler
     {
         AsyncTriggerPromise<PointerEventData> onPointerUp;
         AsyncTriggerPromiseDictionary<PointerEventData> onPointerUps;
@@ -22,7 +22,7 @@ namespace UniRx.Async.Triggers
         }
 
 
-        void OnPointerUp(PointerEventData eventData)
+        void IPointerUpHandler.OnPointerUp(PointerEventData eventData)
         {
             TrySetResult(onPointerUp, onPointerUps, eventData);
         }
diff --git a/Assets/UniRx.Async/Triggers/AsyncScrollTrigger.cs b/Assets/UniRx.Async/Triggers/AsyncScrollTrigger.cs
index 363a25a..6908ff9 100644
--- a/Assets/UniRx.Async/Triggers/AsyncScrollTrigger.cs
+++ b/Assets/UniRx.Async/Triggers/AsyncScrollTrigger.cs
@@ -10,7 +10,7 @@ using UnityEngine.EventSystems;
 namespace UniRx.Async.Triggers
 {
     [DisallowMultipleComponent]
-    public class AsyncScrollTrigger : AsyncTriggerBase
+    public class AsyncScrollTrigger : AsyncTriggerBase, IScrollHandler
     {
         AsyncTriggerPromise<PointerEventData> onScroll;
         AsyncTriggerPromiseDictionary<PointerEventData> onScrolls;
@@ -22,7 +22,7 @@ namespace UniRx.Async.Triggers
         }
 
 
-        void OnScroll(PointerEventData eventData)
+        void IScrollHandler.OnScroll(PointerEventData eventData)
         {
             TrySetResult(onScroll, onScrolls, eventData);
         }
diff --git a/Assets/UniRx.Async/Triggers/AsyncSelectTrigger.cs b/Assets/UniRx.Async/Triggers/AsyncSelectTrigger.cs
index 1a98f9d..ad4e99f 100644
--- a/Assets/UniRx.Async/Triggers/AsyncSelectTrigger.cs
+++ b/Assets/UniRx.Async/Triggers/AsyncSelectTrigger.cs
@@ -10,7 +10,7 @@ using UnityEngine.EventSystems;
 namespace UniRx.Async.Triggers
 {
     [DisallowMultipleComponent]
-    public class AsyncSelectTrigger : AsyncTriggerBase
+    public class AsyncSelectTrigger : AsyncTriggerBase, ISelectHandler
     {
         AsyncTriggerPromise<BaseEventData> onSelect;
         AsyncTriggerPromiseDictionary<BaseEventData> onSelects;
@@ -22,7 +22,7 @@ namespace UniRx.Async.Triggers
         }
 
 
-        void OnSelect(BaseEventData eventData)
+        void ISelectHandler.OnSelect(BaseEventData eventData)
         {
             TrySetResult(onSelect, onSelects, eventData);
         }
diff --git a/Assets/UniRx.Async/Triggers/AsyncSubmitTrigger.cs b/Assets/UniRx.Async/Triggers/AsyncSubmitTrigger.cs
index ff9b17d..22a00fa 100644
--- a/Assets/UniRx.Async/Triggers/AsyncSubmitTrigger.cs
+++ b/Assets/UniRx.Async/Triggers/AsyncSubmitTrigger.cs
@@ -10,7 +10,7 @@ using UnityEngine.EventSystems;
 namespace UniRx.Async.Triggers
 {
     [DisallowMultipleComponent]
-    public class AsyncSubmitTrigger : AsyncTriggerBase
+    public class AsyncSubmitTrigger : AsyncTriggerBase, ISubmitHandler
     {
         AsyncTriggerPromise<BaseEventData> onSubmit;
         AsyncTriggerPromiseDictionary<BaseEventData> onSubmits;
@@ -22,7 +22,7 @@ namespace UniRx.Async.Triggers
         }
 
 
-        void OnSubmit(BaseEventData eventData)
+        void ISubmitHandler.OnSubmit(BaseEventData eventData)
         {
             TrySetResult(onSubmit, onSubmits, eventData);
         }
diff --git a/Assets/UniRx.Async/Triggers/AsyncUpdateSelectedTrigger.cs b/Assets/UniRx.Async/Triggers/AsyncUpdateSelectedTrigger.cs
index fcb81f6..025242c 100644
--- a/Assets/UniRx.Async/Triggers/AsyncUpdateSelectedTrigger.cs
+++ b/Assets/UniRx.Async/Triggers/AsyncUpdateSelectedTrigger.cs
@@ -10,7 +10,7 @@ using UnityEngine.EventSystems;
 namespace UniRx.Async.Triggers
 {
     [DisallowMultipleComponent]
-    public class AsyncUpdateSelectedTrigger : AsyncTriggerBase
+    public class AsyncUpdateSelectedTrigger : AsyncTriggerBase, IUpdateSelectedHandler
     {
         AsyncTriggerPromise<BaseEventData> onUpdateSelected;
         AsyncTriggerPromiseDictionary<BaseEventData> onUpdateSelecteds;
@@ -22,7 +22,7 @@ namespace UniRx.Async.Triggers
         }
 
 
-        void OnUpdateSelected(BaseEventData eventData)
+        void IUpdateSelectedHandler.OnUpdateSelected(BaseEventData eventData)
         {
             TrySetResult(onUpdateSelected, onUpdateSelecteds, eventData);
         }