code: def _apply(self, plan):
          '''Required function of manager.py to actually apply a record change.
  
              :param plan: Contains the zones and changes to be made
              :type  plan: octodns.provider.base.Plan
  
              :type return: void
          '''
          desired = plan.desired
          changes = plan.changes
          self.log.debug('_apply: zone=%s, len(changes)=%d', desired.name,
                         len(changes))
  
          azure_zone_name = desired.name[:len(desired.name) - 1]
          self._check_zone(azure_zone_name, create=True)
  
          for change in changes:
              class_name = change.__class__.__name__
              getattr(self, '_apply_{}'.format(class_name))(changef _apply(self, plan):
          '''Required function of manager.py to actually apply a record change.
  
              :param plan: Contains the zones and changes to be made
              :type  plan: octodns.provider.base.Plan
  
              :type return: void
          '''
          desired = plan.desired
          changes = plan.changes
          self.log.debug('_apply: zone=%s, len(changes)=%d', desired.name,
                         len(changes))
  
          azure_zone_name = desired.name[:len(desired.name) - 1]
          self._check_zone(azure_zone_name, create=True)
  
          for change in changes:
              class_name = change.__class__.__name__
              getattr(self, '_apply_{}'.format(class_name))(change)
docs: Required function of manager.py to actually apply a record change.
  
              :param plan: Contains the zones and changes to be made
              :type  plan: octodns.provider.base.Plan
  
              :type return: void