how to get multi instances's ip address

[junneyang]

django_host:
type: nscloud.nodes.MonitoredServer

###########################################################
# Setting the nodejs_host initial number of instances to 2.
# The default values for instances.deploy is 1.
###########################################################

* instances:
deploy: 2*

relationships:
  - target: django_security_group
    type: cloudify.openstack.server_connected_to_security_group
  - target: server_keypair
    type: cloudify.openstack.server_connected_to_keypair

/////////////////
apptest:
value:
apptest_ip0: { get_attribute: [django_host, ip, 0] }
apptest_ip1: { get_attribute: [django_host, ip, 1] }

then how to get multi instances's ip address in outputs?
thanks very much!