Documentation for Axxon Next 4.5.0 - 4.5.10. Documentation for other versions of Axxon Next is available too.

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POST http://IP-address:port/prefix/grpc

Request body:

 {
    "method": "axxonsoft.bl.events.EventHistoryService.ReadLprEvents",
    "data": {
        "range": {
            "begin_time": "20200916T104305.137",
            "end_time": "20200918T105305.137"
        },
        "filters": {
            "filters": [
                {
                    "subjects": "hosts/DESKTOP-FQETIKR/DeviceIpint.1/SourceEndpoint.video:0:0"
                }
            ]
        },
        "limit":2,
        "offset":0,
        "search_predicate":"Н829МУ97"
    }
}

Response example:

{
 "items": [
  {
   "event_type": "ET_DetectorEvent",
   "subject": "hosts/DESKTOP-FQETIKR/DeviceIpint.1/SourceEndpoint.video:0:0",
   "body": {
    "@type": "type.googleapis.com/axxonsoft.bl.events.DetectorEvent",
    "guid": "825bd3c9-adef-4ec3-ae23-2e8b6a7d2e8e",
    "timestamp": "20200917T073828.069000",
    "state": "HAPPENED",
    "origin_deprecated": "hosts/DESKTOP-FQETIKR/DeviceIpint.1/SourceEndpoint.video:0:0",
    "origin_ext": {
     "access_point": "hosts/DESKTOP-FQETIKR/DeviceIpint.1/SourceEndpoint.video:0:0",
     "friendly_name": "Camera"
    },
    "offline_analytics_source": "",
    "detector_deprecated": "hosts/DESKTOP-FQETIKR/AVDetector.1/EventSupplier",
    "detector_ext": {
     "access_point": "hosts/DESKTOP-FQETIKR/AVDetector.1/EventSupplier",
     "friendly_name": "License plate recognition (VT)"
    },
    "node_info": {
     "name": "DESKTOP-FQETIKR",
     "friendly_name": ""
    },
    "event_type": "plateRecognized",
    "multi_phase_id": "",
    "detectors_group": [
     "DG_LPR_DETECTOR"
    ],
    "details": [
     {
      "auto_recognition_result": {
       "direction": 1,
       "time_begin": "20200917T073827.309000",
       "time_end": "20200917T073828.349000",
       "hypotheses": [
        {
         "ocr_quality": 81,
         "plate_full": "Н829МУ97",
         "plate_rectangle": {
          "x": 0.36388888888888887,
          "y": 0.65625,
          "w": 0.19722222222222224,
          "h": 0.04340277777777779,
          "index": 0
         },
         "time_best": "20200917T073828.069000",
         "country": "us"
        },
        {
         "ocr_quality": 39,
         "plate_full": "НН299У97",
         "plate_rectangle": {
          "x": 0.36388888888888887,
          "y": 0.65625,
          "w": 0.19722222222222224,
          "h": 0.04340277777777779,
          "index": 0
         },
         "time_best": "20200917T073828.069000",
         "country": "us"
        },
        {
         "ocr_quality": 51,
         "plate_full": "Н829МУ*7*",
         "plate_rectangle": {
          "x": 0.36388888888888887,
          "y": 0.65625,
          "w": 0.19722222222222224,
          "h": 0.04340277777777779,
          "index": 0
         },
         "time_best": "20200917T073828.069000",
         "country": "us"
        }
       ]
      }
     }
    ],
    "params": []
   },
   "subjects": [
    "hosts/DESKTOP-FQETIKR/DeviceIpint.1/SourceEndpoint.video:0:0",
    "hosts/DESKTOP-FQETIKR/AVDetector.1/EventSupplier"
   ],
   "localization": {
    "text": "Camera \"Camera\". License plate recognition detection triggered, number \"Н829МУ97\""
   }
  },
  {
   "event_type": "ET_DetectorEvent",
   "subject": "hosts/DESKTOP-FQETIKR/DeviceIpint.1/SourceEndpoint.video:0:0",
   "body": {
    "@type": "type.googleapis.com/axxonsoft.bl.events.DetectorEvent",
    "guid": "adc555c5-850a-44fb-9ee3-26978799f3ab",
    "timestamp": "20200917T073705.291000",
    "state": "HAPPENED",
    "origin_deprecated": "hosts/DESKTOP-FQETIKR/DeviceIpint.1/SourceEndpoint.video:0:0",
    "origin_ext": {
     "access_point": "hosts/DESKTOP-FQETIKR/DeviceIpint.1/SourceEndpoint.video:0:0",
     "friendly_name": "Camera"
    },
    "offline_analytics_source": "",
    "detector_deprecated": "hosts/DESKTOP-FQETIKR/AVDetector.1/EventSupplier",
    "detector_ext": {
     "access_point": "hosts/DESKTOP-FQETIKR/AVDetector.1/EventSupplier",
     "friendly_name": "License plate recognition (VT)"
    },
    "node_info": {
     "name": "DESKTOP-FQETIKR",
     "friendly_name": ""
    },
    "event_type": "plateRecognized",
    "multi_phase_id": "",
    "detectors_group": [
     "DG_LPR_DETECTOR"
    ],
    "details": [
     {
      "auto_recognition_result": {
       "direction": 1,
       "time_begin": "20200917T073704.531000",
       "time_end": "20200917T073705.571000",
       "hypotheses": [
        {
         "ocr_quality": 81,
         "plate_full": "Н829МУ97",
         "plate_rectangle": {
          "x": 0.36388888888888887,
          "y": 0.65625,
          "w": 0.19722222222222224,
          "h": 0.04340277777777779,
          "index": 0
         },
         "time_best": "20200917T073705.291000",
         "country": "us"
        },
        {
         "ocr_quality": 39,
         "plate_full": "НН299У97",
         "plate_rectangle": {
          "x": 0.36388888888888887,
          "y": 0.65625,
          "w": 0.19722222222222224,
          "h": 0.04340277777777779,
          "index": 0
         },
         "time_best": "20200917T073705.291000",
         "country": "us"
        },
        {
         "ocr_quality": 51,
         "plate_full": "Н829МУ*7*",
         "plate_rectangle": {
          "x": 0.36388888888888887,
          "y": 0.65625,
          "w": 0.19722222222222224,
          "h": 0.04340277777777779,
          "index": 0
         },
         "time_best": "20200917T073705.291000",
         "country": "us"
        }
       ]
      }
     }
    ],
    "params": []
   },
   "subjects": [
    "hosts/DESKTOP-FQETIKR/DeviceIpint.1/SourceEndpoint.video:0:0",
    "hosts/DESKTOP-FQETIKR/AVDetector.1/EventSupplier"
   ],
   "localization": {
    "text": "Camera \"Camera\". License plate recognition detection triggered, number \"Н829МУ97\""
   }
  }
 ],
 "unreachable_subjects": []
}

--ngpboundary
Content-Type: application/json; charset=utf-8
Content-Length: 46

{
 "items": [],
 "unreachable_subjects": []
}
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