United Manufacturing Hub

Could someone confiirm this is a correct yaml config? 

input:
  opcua:
    endpoint: 'opc.tcp://192.168.2.101:4840'
    nodeIDs: ['ns=3;s="DB_00CommunicationDayResults"','ns=3;s="DB_00CommunicationMachineStatus"']
    subscribeEnabled: true

pipeline:
  processors:
    - bloblang: |
        root = {
          meta("opcua_path"): this,
          "timestamp_ms": (timestamp_unix_nano() / 1000000).floor()
        }

output:
  mqtt:
    urls:
      - '192.168.2.31:1883'
    topic: 'umh/v1/TLT/Muzzroom/Meulebekestraat/ProductionLine1/SortingUnit1/originID/_historian/${! meta("opcua_tag_path") }'
    client_id: 'benthos-umh'