red attribute data to the adapter
  source_uid: source.uid | &quot;&quot;
  source_ip: source.ip | ip(&quot;0.0.0.0&quot;) # default to unspecified ip addr
  destination_uid: destination.uid | &quot;&quot;
  destination_ip: destination.ip | ip(&quot;0.0.0.0&quot;) # default to unspecified ip addr
  attribute_bindings:
    # Fill the new attributes from the adapter produced output.
    # $out refers to an instance of OutputTemplate message
    source.ip: $out.source_pod_ip
    source.labels: $out.source_labe