code: def set_neighbor_attribute_map(neigh_ip_address, at_maps,
                                 route_dist=None, route_family=VRF_RF_IPV4):
      
      core = CORE_MANAGER.get_core_service()
      peer = core.peer_manager.get_by_addr(neigh_ip_address)
  
      at_maps_key = const.ATTR_MAPS_LABEL_DEFAULT
      at_maps_dict = {}
  
      if route_dist is not None:
          vrf_conf =\
              CORE_MANAGER.vrfs_conf.get_vrf_conf(route_dist, route_family)
          if vrf_conf:
              at_maps_key = ':'.join([route_dist, route_family])
          else:
              raise RuntimeConfigError(desc='No VrfConf with rd %s' %
                                            route_dist)
  
      at_maps_dict[const.ATTR_MAPS_LABEL_KEY] = at_maps_key
      at_maps_dict[const.ATTR_MAPS_VALUE] = at_maps
      peer.attribute_maps = at_maps_dict
  
      return True
docs: set attribute_maps to the neighbor.