entity {
  id: "42558_202397_3000_41_1"
  vehicle {
    trip {
      trip_id: "892878"
      start_time: "16:05:00"
      start_date: "20190609"
      schedule_relationship: SCHEDULED
      route_id: "3000_41"
    }
    position {
      latitude: -33.03611
      longitude: 151.66042
      bearing: 332.0
      speed: 2.2
    }
    timestamp: 1560060858
    congestion_level: UNKNOWN_CONGESTION_LEVEL
    vehicle {
      id: "42558_202397_3000_41_1"
      [transit_realtime.tfnsw_vehicle_descriptor] {
        air_conditioned: true
        wheelchair_accessible: 1
        vehicle_model: "Volvo~B7RLE~Bustech~VST"
        special_vehicle_attributes: 0
      }
    }
    occupancy_status: MANY_SEATS_AVAILABLE
  }
}

##</code><code>##

[
          'TransitRealtime::Alert::Cause',
          'TransitRealtime::Alert::Effect',
          'TransitRealtime::FeedHeader::Incrementality',
          'TransitRealtime::TripDescriptor::ScheduleRelationship',
          'TransitRealtime::TripUpdate::StopTimeUpdate::ScheduleRelationship',
          'TransitRealtime::VehiclePosition::CongestionLevel',
          'TransitRealtime::VehiclePosition::OccupancyStatus',
          'TransitRealtime::VehiclePosition::VehicleStopStatus',
          'TransitRealtime::Alert',
          'TransitRealtime::EntitySelector',
          'TransitRealtime::FeedEntity',
          'TransitRealtime::FeedHeader',
          'TransitRealtime::FeedMessage',
          'TransitRealtime::Position',
          'TransitRealtime::TfnswVehicleDescriptor',
          'TransitRealtime::TimeRange',
          'TransitRealtime::TranslatedString',
          'TransitRealtime::TranslatedString::Translation',
          'TransitRealtime::TripDescriptor',
          'TransitRealtime::TripUpdate',
          'TransitRealtime::TripUpdate::StopTimeEvent',
          'TransitRealtime::TripUpdate::StopTimeUpdate',
          'TransitRealtime::VehicleDescriptor',
          'TransitRealtime::VehiclePosition'
        ];

##</code><code>##

foreach $entity ( @entities ){
    if($entity->route_id eq '3000_41'){
        print "bus is at " . $position->{latitude} . ', ' .  $position->{longitude};
    }
}