updating create conversation to take conversation params (#496)

* updating create conversation to take conversation params

* updating attributes on activity

Author: Virtual-Josh

libraries/botbuilder-core/botbuilder/core/bot_framework_adapter.py

@@ -9,6 +9,7 @@
 from msrest.serialization import Model
 from botbuilder.schema import (
     Activity,
+    ActivityTypes,
     ConversationAccount,
     ConversationParameters,
     ConversationReference,
@@ -172,6 +173,7 @@ async def create_conversation(
         self,
         reference: ConversationReference,
         logic: Callable[[TurnContext], Awaitable] = None,
+        conversation_parameters: ConversationParameters = None,
     ):
         """
         Starts a new conversation with a user. This is typically used to Direct Message (DM) a member
@@ -187,8 +189,12 @@ async def create_conversation(
                 )
 
             # Create conversation
-            parameters = ConversationParameters(
-                bot=reference.bot, members=[reference.user], is_group=False
+            parameters = (
+                conversation_parameters
+                if conversation_parameters
+                else ConversationParameters(
+                    bot=reference.bot, members=[reference.user], is_group=False
+                )
             )
             client = await self.create_connector_client(reference.service_url)
 
@@ -206,7 +212,9 @@ async def create_conversation(
                 parameters
             )
             request = TurnContext.apply_conversation_reference(
-                Activity(), reference, is_incoming=True
+                Activity(type=ActivityTypes.event, name="CreateConversation"),
+                reference,
+                is_incoming=True,
             )
             request.conversation = ConversationAccount(
                 id=resource_response.id, tenant_id=parameters.tenant_id