How to monitor udp protocol (new protocol)

hi, i need to sniff traffic from udp custom port.
i tried this conf but no success:
"

- type: udp
  include_fields: ["total_length", "protocol", "source.ip", "destination.ip", "source.port", "destination.port"]
  include_payload: true
  ports: [37008]
  enabled: true

"

Hi Alisher,

Could you please check if you getting any error. Here are the troubleshoot steps you can try -