Initial implementation of the MS Teams app identifier for Identity package. (#32942)

* Implementation of the identifier for Identity package.

Author: jiriburant

sdk/communication/azure-communication-callautomation/CHANGELOG.md

@@ -6,6 +6,7 @@
 - StartRecording now accepts PauseOnStart.
 - Start, Stop, Update transcript added.
 - Start, Stop hold music added.
+- Introduced `MicrosoftTeamsAppIdentifier` for MS Teams automated scenarios.
 
 ### Breaking Changes
 
@@ -26,7 +27,7 @@
 - Recognize supports choices and freeform speech.
 - Start/Stop continuous DTMF recognition by subscribing/unsubscribing to tones.
 - Send DTMF tones to a participant in the call.
-- Mute participant in the call.
+- Mute participants in the call.
 
 ### Other Changes
 - The models `ServerCallLocator` and `GroupCallLocator` have been deprecated, and the ID values can now be passed directly into `CallAutomationClient.start_recording` as keyword arguments.

sdk/communication/azure-communication-callautomation/azure/communication/callautomation/__init__.py

@@ -29,6 +29,7 @@
 from ._shared.models import (
     CommunicationIdentifier,
     PhoneNumberIdentifier,
+    MicrosoftTeamsAppIdentifier,
     MicrosoftTeamsUserIdentifier,
     CommunicationUserIdentifier,
     CommunicationIdentifierKind,
@@ -79,6 +80,7 @@
     # common ACS communication identifier
     "CommunicationIdentifier",
     "PhoneNumberIdentifier",
+    "MicrosoftTeamsAppIdentifier",
     "MicrosoftTeamsUserIdentifier",
     "CommunicationUserIdentifier",
     "CommunicationIdentifierKind",
@@ -127,7 +129,8 @@ def __getattr__(name):
         from ._models import ServerCallLocator
         return ServerCallLocator
     if name == 'MicrosoftBotIdentifier':
-        warnings.warn(f"{name} is deprecated and should not be used.", DeprecationWarning)
-        from ._shared.models  import _MicrosoftBotIdentifier
+        warnings.warn(f"{name} is deprecated and should not be used. Please use 'MicrosoftTeamsAppIdentifier' instead.",
+                       DeprecationWarning)
+        from ._shared.models import _MicrosoftBotIdentifier
         return _MicrosoftBotIdentifier
     raise AttributeError(f"module 'azure.communication.callautomation' has no attribute {name}")