[MODEL: dataset=hello_world_raw]
alter
    xdm.event.id = to_string(id),
    xdm.event.description = description,
    xdm.source.user.identifier = json_extract_scalar(custom_details, "$.triggered_by_uuid"),
    xdm.source.identity.identifier = json_extract_scalar(custom_details, "$.triggered_by_uuid"),
    xdm.target.port = t_port,
    xdm.network.protocol_layers = arraycreate(protocol);