# Pastebin SVmGRUFm
The relevant part of the template looks like this: Templates:
  customJoinNet1:
    ?:
      type: io.murano.resources.ExistingNeutronNetwork
    internalNetworkName: management
    internalSubnetworkName: management_subnet
  customJoinNet2:
    ?:
      type: io.murano.resources.ExistingNeutronNetwork
    internalNetworkName: service
    internalSubnetworkName: service_subnet
  customJoinNet3:
    ?:
      type: io.murano.resources.ExistingNeutronNetwork
    internalNetworkName: control
    internalSubnetworkName: control_subnet
  customJoinNet4:
    ?:
      type: io.murano.resources.ExistingNeutronNetwork
    internalNetworkName: subscriber
    internalSubnetworkName: subscriber_subnet
  bootVolumes:
    - volume:
        ?:
          type: io.murano.resources.CinderVolume
        size: $.instanceConfiguration.volSize
        sourceImage: $.instanceConfiguration.osImage
      bootIndex: 0
      deviceName: vda
      deviceType: disk

Application:
  ?:
    type: io.murano.apps.owm.DevBoxServer
  enablePHP: false
  instance:
    ?:
      type: io.murano.resources.LinuxMuranoInstance
    name: generateHostname($.appConfiguration.unitNamingPattern, 1)
    flavor: $.instanceConfiguration.flavor
    keyname: $.instanceConfiguration.keyPair
    availabilityZone: $.instanceConfiguration.availabilityZone
    assignFloatingIp: $.appConfiguration.assignFloatingIP
    networks:
      useEnvironmentNetwork: $.instanceConfiguration.network[0]=null and $.instanceConfiguration.network2[0]=null and $.instanceConfiguration.network3[0]=null
      useFlatNetwork: false
      customNetworks: list(switch($.instanceConfiguration.network[0], $=null=>null, $!=null=>$customJoinNet1), switch($.instanceConfiguration.network2[0], $=null=>null, $!=null=>$customJoinNet2), switch($.instanceConfiguration.network3[0], $=null=>null, $!=null=>$customJoinNet3), switch($.instanceConfiguration.network4[0], $=null=>null, $!=null=>$customJoinNet4)).where($ != null)