diff --git a/libraries/botbuilder-core/botbuilder/core/teams/teams_activity_handler.py b/libraries/botbuilder-core/botbuilder/core/teams/teams_activity_handler.py
index 139f45859..3d8f1590c 100644
--- a/libraries/botbuilder-core/botbuilder/core/teams/teams_activity_handler.py
+++ b/libraries/botbuilder-core/botbuilder/core/teams/teams_activity_handler.py
@@ -61,20 +61,24 @@ async def on_invoke_activity(self, turn_context: TurnContext):
 
             if turn_context.activity.name == "fileConsent/invoke":
                 return await self.on_teams_file_consent(
-                    turn_context, FileConsentCardResponse(**turn_context.activity.value)
+                    turn_context,
+                    FileConsentCardResponse().deserialize(turn_context.activity.value),
                 )
 
             if turn_context.activity.name == "actionableMessage/executeAction":
                 await self.on_teams_o365_connector_card_action(
                     turn_context,
-                    O365ConnectorCardActionQuery(**turn_context.activity.value),
+                    O365ConnectorCardActionQuery().deserialize(
+                        turn_context.activity.value
+                    ),
                 )
                 return self._create_invoke_response()
 
             if turn_context.activity.name == "composeExtension/queryLink":
                 return self._create_invoke_response(
                     await self.on_teams_app_based_link_query(
-                        turn_context, AppBasedLinkQuery(**turn_context.activity.value)
+                        turn_context,
+                        AppBasedLinkQuery().deserialize(turn_context.activity.value),
                     )
                 )
 
@@ -82,7 +86,9 @@ async def on_invoke_activity(self, turn_context: TurnContext):
                 return self._create_invoke_response(
                     await self.on_teams_messaging_extension_query(
                         turn_context,
-                        MessagingExtensionQuery(**turn_context.activity.value),
+                        MessagingExtensionQuery().deserialize(
+                            turn_context.activity.value
+                        ),
                     )
                 )
 
@@ -113,7 +119,9 @@ async def on_invoke_activity(self, turn_context: TurnContext):
                 return self._create_invoke_response(
                     await self.on_teams_messaging_extension_configuration_query_settings_url(
                         turn_context,
-                        MessagingExtensionQuery(**turn_context.activity.value),
+                        MessagingExtensionQuery().deserialize(
+                            turn_context.activity.value
+                        ),
                     )
                 )
 
@@ -132,14 +140,16 @@ async def on_invoke_activity(self, turn_context: TurnContext):
             if turn_context.activity.name == "task/fetch":
                 return self._create_invoke_response(
                     await self.on_teams_task_module_fetch(
-                        turn_context, TaskModuleRequest(**turn_context.activity.value)
+                        turn_context,
+                        TaskModuleRequest().deserialize(turn_context.activity.value),
                     )
                 )
 
             if turn_context.activity.name == "task/submit":
                 return self._create_invoke_response(
                     await self.on_teams_task_module_submit(
-                        turn_context, TaskModuleRequest(**turn_context.activity.value)
+                        turn_context,
+                        TaskModuleRequest().deserialize(turn_context.activity.value),
                     )
                 )
 
@@ -280,7 +290,9 @@ async def on_teams_task_module_submit(  # pylint: disable=unused-argument
     async def on_conversation_update_activity(self, turn_context: TurnContext):
 
         if turn_context.activity.channel_id == Channels.ms_teams:
-            channel_data = TeamsChannelData(**turn_context.activity.channel_data)
+            channel_data = TeamsChannelData().deserialize(
+                turn_context.activity.channel_data
+            )
             if turn_context.activity.members_added:
                 return await self.on_teams_members_added_dispatch_activity(
                     turn_context.activity.members_added, channel_data.team, turn_context
@@ -296,7 +308,7 @@ async def on_conversation_update_activity(self, turn_context: TurnContext):
             if channel_data:
                 if channel_data.event_type == "channelCreated":
                     return await self.on_teams_channel_created_activity(
-                        ChannelInfo(**channel_data.channel),
+                        ChannelInfo().deserialize(channel_data.channel),
                         channel_data.team,
                         turn_context,
                     )
diff --git a/libraries/botbuilder-core/tests/teams/test_teams_activity_handler.py b/libraries/botbuilder-core/tests/teams/test_teams_activity_handler.py
index 540d5742b..102d39c3d 100644
--- a/libraries/botbuilder-core/tests/teams/test_teams_activity_handler.py
+++ b/libraries/botbuilder-core/tests/teams/test_teams_activity_handler.py
@@ -510,6 +510,7 @@ async def test_on_app_based_link_query(self):
 
     async def test_on_teams_messaging_extension_bot_message_preview_edit_activity(self):
         # Arrange
+
         activity = Activity(
             type=ActivityTypes.invoke,
             name="composeExtension/submitAction",
diff --git a/libraries/botbuilder-schema/botbuilder/schema/teams/_models.py b/libraries/botbuilder-schema/botbuilder/schema/teams/_models.py
index e80cee5f9..8cd32a677 100644
--- a/libraries/botbuilder-schema/botbuilder/schema/teams/_models.py
+++ b/libraries/botbuilder-schema/botbuilder/schema/teams/_models.py
@@ -10,6 +10,7 @@
 # --------------------------------------------------------------------------
 
 from msrest.serialization import Model
+from botbuilder.schema import Activity
 
 
 class AppBasedLinkQuery(Model):
@@ -1575,7 +1576,7 @@ def __init__(self, **kwargs):
         super(TeamsChannelData, self).__init__(**kwargs)
         self.channel = kwargs.get("channel", None)
         # doing camel case here since that's how the data comes in
-        self.event_type = kwargs.get("eventType", None)
+        self.event_type = kwargs.get("event_type", None)
         self.team = kwargs.get("team", None)
         self.notification = kwargs.get("notification", None)
         self.tenant = kwargs.get("tenant", None)
diff --git a/libraries/botbuilder-schema/botbuilder/schema/teams/_models_py3.py b/libraries/botbuilder-schema/botbuilder/schema/teams/_models_py3.py
index 0f3a075a6..4c42229c5 100644
--- a/libraries/botbuilder-schema/botbuilder/schema/teams/_models_py3.py
+++ b/libraries/botbuilder-schema/botbuilder/schema/teams/_models_py3.py
@@ -10,7 +10,7 @@
 # --------------------------------------------------------------------------
 
 from msrest.serialization import Model
-from botbuilder.schema import Attachment, ChannelAccount
+from botbuilder.schema import Activity, Attachment, ChannelAccount
 
 
 class TaskModuleRequest(Model):
@@ -646,7 +646,7 @@ class MessagingExtensionAction(TaskModuleRequest):
      ~botframework.connector.teams.models.enum
     :param bot_activity_preview:
     :type bot_activity_preview:
-     list[~botframework.connector.teams.models.Activity]
+     list[~botframework.schema.models.Activity]
     :param message_payload: Message content sent as part of the command
      request.
     :type message_payload: