itsmokha
diff --git a/‎libraries/botbuilder-core/botbuilder/core/activity_handler.py
Lines changed: 30 additions & 0 deletions b/‎libraries/botbuilder-core/botbuilder/core/activity_handler.py
Lines changed: 30 additions & 0 deletions
diff --git a/‎libraries/botbuilder-core/tests/test_activity_handler.py
Lines changed: 36 additions & 0 deletions b/‎libraries/botbuilder-core/tests/test_activity_handler.py
Lines changed: 36 additions & 0 deletions
@@ -374,6 +374,36 @@ async def on_installation_update(  # pylint: disable=unused-argument
         Override this in a derived class to provide logic specific to
         ActivityTypes.InstallationUpdate activities.
 
+        :param turn_context: The context object for this turn
+        :type turn_context: :class:`botbuilder.core.TurnContext`
+        :returns: A task that represents the work queued to execute
+        """
+        if turn_context.activity.action == "add":
+            return await self.on_installation_update_add(turn_context)
+        if turn_context.activity.action == "remove":
+            return await self.on_installation_update_remove(turn_context)
+        return
+
+    async def on_installation_update_add(  # pylint: disable=unused-argument
+        self, turn_context: TurnContext
+    ):
+        """
+        Override this in a derived class to provide logic specific to
+        ActivityTypes.InstallationUpdate activities with 'action' set to 'add'.
+
+        :param turn_context: The context object for this turn
+        :type turn_context: :class:`botbuilder.core.TurnContext`
+        :returns: A task that represents the work queued to execute
+        """
+        return
+
+    async def on_installation_update_remove(  # pylint: disable=unused-argument
+        self, turn_context: TurnContext
+    ):
+        """
+        Override this in a derived class to provide logic specific to
+        ActivityTypes.InstallationUpdate activities with 'action' set to 'remove'.
+
         :param turn_context: The context object for this turn
         :type turn_context: :class:`botbuilder.core.TurnContext`
         :returns: A task that represents the work queued to execute
 
@@ -77,6 +77,14 @@ async def on_installation_update(self, turn_context: TurnContext):
         self.record.append("on_installation_update")
         return await super().on_installation_update(turn_context)
 
+    async def on_installation_update_add(self, turn_context: TurnContext):
+        self.record.append("on_installation_update_add")
+        return await super().on_installation_update_add(turn_context)
+
+    async def on_installation_update_remove(self, turn_context: TurnContext):
+        self.record.append("on_installation_update_remove")
+        return await super().on_installation_update_remove(turn_context)
+
     async def on_unrecognized_activity_type(self, turn_context: TurnContext):
         self.record.append("on_unrecognized_activity_type")
         return await super().on_unrecognized_activity_type(turn_context)
@@ -246,6 +254,34 @@ async def test_on_installation_update(self):
         assert len(bot.record) == 1
         assert bot.record[0] == "on_installation_update"
 
+    async def test_on_installation_update_add(self):
+        activity = Activity(type=ActivityTypes.installation_update, action="add")
+
+        adapter = TestInvokeAdapter()
+        turn_context = TurnContext(adapter, activity)
+
+        # Act
+        bot = TestingActivityHandler()
+        await bot.on_turn(turn_context)
+
+        assert len(bot.record) == 2
+        assert bot.record[0] == "on_installation_update"
+        assert bot.record[1] == "on_installation_update_add"
+
+    async def test_on_installation_update_add_remove(self):
+        activity = Activity(type=ActivityTypes.installation_update, action="remove")
+
+        adapter = TestInvokeAdapter()
+        turn_context = TurnContext(adapter, activity)
+
+        # Act
+        bot = TestingActivityHandler()
+        await bot.on_turn(turn_context)
+
+        assert len(bot.record) == 2
+        assert bot.record[0] == "on_installation_update"
+        assert bot.record[1] == "on_installation_update_remove"
+
     async def test_healthcheck(self):
         activity = Activity(type=ActivityTypes.invoke, name="healthcheck",)