async def get(self,request_configuration: Optional[RequestConfiguration[TeamsAppRequestBuilderGetQueryParameters]] = None) -> Optional[TeamsApp]:
        """
        The application that is linked to the tab. This can't be changed after tab creation.
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: Optional[TeamsApp]
        """
        request_info = self.to_get_request_information(
            request_configuration
        )
        from ......models.o_data_errors.o_data_error import ODataError

        error_mapping: dict[str, type[ParsableFactory]] = {
            "XXX": ODataError,
        }
        if not self.request_adapter:
            raise Exception("Http core is null") 
        from ......models.teams_app import TeamsApp

        return await self.request_adapter.send_async(request_info, TeamsApp, error_mapping)

        The application that is linked to the tab. This can't be changed after tab creation.
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: Optional[TeamsApp]
        
msgraph/generated/chats/item/tabs/item/teams_app/teams_app_request_builder.py