async def get(self,request_configuration: Optional[RequestConfiguration[SessionItemRequestBuilderGetQueryParameters]] = None) -> Optional[Session]:
        """
        List of sessions involved in the call. Peer-to-peer calls typically only have one session, whereas group calls typically have at least one session per participant. Read-only. Nullable.
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: Optional[Session]
        """
        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.call_records.session import Session

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

        List of sessions involved in the call. Peer-to-peer calls typically only have one session, whereas group calls typically have at least one session per participant. Read-only. Nullable.
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: Optional[Session]
        
msgraph/generated/communications/call_records/item/sessions/item/session_item_request_builder.py