async def post(self,body: UnifiedRoleAssignmentScheduleRequest, request_configuration: Optional[RequestConfiguration[QueryParameters]] = None) -> Optional[UnifiedRoleAssignmentScheduleRequest]:
        """
        In PIM, carry out the following operations through the unifiedRoleAssignmentScheduleRequest object: To call this API to update, renew, and extend assignments for yourself, you must have multifactor authentication (MFA) enforced, and running the query in a session in which they were challenged for MFA. See Enable per-user Microsoft Entra multifactor authentication to secure sign-in events.
        param body: The request body
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: Optional[UnifiedRoleAssignmentScheduleRequest]
        Find more info here: https://learn.microsoft.com/graph/api/rbacapplication-post-roleassignmentschedulerequests?view=graph-rest-1.0
        """
        if body is None:
            raise TypeError("body cannot be null.")
        request_info = self.to_post_request_information(
            body, 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.unified_role_assignment_schedule_request import UnifiedRoleAssignmentScheduleRequest

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

        In PIM, carry out the following operations through the unifiedRoleAssignmentScheduleRequest object: To call this API to update, renew, and extend assignments for yourself, you must have multifactor authentication (MFA) enforced, and running the query in a session in which they were challenged for MFA. See Enable per-user Microsoft Entra multifactor authentication to secure sign-in events.
        param body: The request body
        param request_configuration: Configuration for the request such as headers, query parameters, and middleware options.
        Returns: Optional[UnifiedRoleAssignmentScheduleRequest]
        Find more info here: https://learn.microsoft.com/graph/api/rbacapplication-post-roleassignmentschedulerequests?view=graph-rest-1.0
        
msgraph/generated/role_management/directory/role_assignment_schedule_requests/role_assignment_schedule_requests_request_builder.py