Event

Description 

Example

LPR

General event with metadata

Available always

Event contains all data from LPR engine 

Event  can be sent several times per one license plate 

NEW  - first license plate detection

UPDATE - if something changes in LPR package

LOST - when  vehicle left the frame  (+10 s after the last detection )

<tt:MetadataStream xmlns:tt="http://www.onvif.org/ver10/schema">

  <tt:Event xmlns:tt="http://www.onvif.org/ver10/schema">

    <wsnt:NotificationMessage xmlns:tns1="http://www.onvif.org/ver10/topics" xmlns:tnsaxis="http://www.axis.com/2009/event/topics" xmlns:wsnt="http://docs.oasis-open.org/wsn/b-2" xmlns:wsa5="http://www.w3.org/2005/08/addressing">

      <wsnt:Topic Dialect="http://docs.oasis-open.org/wsn/t-1/TopicExpression/Simple">tnsaxis:CameraApplicationPlatform/LPR</wsnt:Topic>

      <wsnt:ProducerReference>

        <wsa5:Address>uri://c37d4bf5-fa69-498d-8294-e0c8ade51ded/ProducerReference</wsa5:Address>

      </wsnt:ProducerReference>

      <wsnt:Message>

        <tt:Message UtcTime="2021-05-17T13:40:12.509000Z">

          <tt:Source>

          </tt:Source>

          <tt:Data>

            <tt:SimpleItem Name="consumedTime" Value="104" />

            <tt:SimpleItem Name="frame_timestamp" Value="1039287603" />

            <tt:SimpleItem Name="carMoveDirection" Value="unknown" />

            <tt:SimpleItem Name="carState" Value="new" />

            <tt:SimpleItem Name="action" Value="No action" />

            <tt:SimpleItem Name="capture_timestamp" Value="1621258812509" />

            <tt:SimpleItem Name="width" Value="192" />

            <tt:SimpleItem Name="carID" Value="1087595" />

            <tt:SimpleItem Name="top" Value="564" />

            <tt:SimpleItem Name="country" Value="PRT" />

            <tt:SimpleItem Name="left" Value="625" />

            <tt:SimpleItem Name="height" Value="32" />

            <tt:SimpleItem Name="listName" Value="" />

            <tt:SimpleItem Name="text" Value="RZ3160" />

          </tt:Data>

        </tt:Message>

      </wsnt:Message>

    </wsnt:NotificationMessage>

  </tt:Event>

</tt:MetadataStream>

LPR.Allow_list

LPR.Block_list

LPR.Custom_list

LPR.NotInList

Triggered events 

Name of the events depend on the list name in the application 

Available only when any relay is connected 

<tt:MetadataStream xmlns:tt="http://www.onvif.org/ver10/schema">

  <tt:Event xmlns:tt="http://www.onvif.org/ver10/schema">

    <wsnt:NotificationMessage xmlns:tns1="http://www.onvif.org/ver10/topics" xmlns:tnsaxis="http://www.axis.com/2009/event/topics" xmlns:wsnt="http://docs.oasis-open.org/wsn/b-2" xmlns:wsa5="http://www.w3.org/2005/08/addressing">

      <wsnt:Topic Dialect="http://docs.oasis-open.org/wsn/t-1/TopicExpression/Simple">tnsaxis:CameraApplicationPlatform/ALPV.NotInList</wsnt:Topic>

      <wsnt:ProducerReference>

        <wsa5:Address>uri://c37d4bf5-fa69-498d-8294-e0c8ade51ded/ProducerReference</wsa5:Address>

      </wsnt:ProducerReference>

      <wsnt:Message>

        <tt:Message UtcTime="2021-05-17T15:42:54.961154Z" PropertyOperation="Changed">

          <tt:Source>

          </tt:Source>

          <tt:Key>

          </tt:Key>

          <tt:Data>

            <tt:SimpleItem Name="active" Value="0" />

          </tt:Data>

        </tt:Message>

      </wsnt:Message>

    </wsnt:NotificationMessage>

  </tt:Event>

</tt:MetadataStream>

LPR.PlateIN

LPR.PlateOUT

Triggered events 

Available only when any relay  is connected 

<tt:MetadataStream xmlns:tt="http://www.onvif.org/ver10/schema">

  <tt:Event xmlns:tt="http://www.onvif.org/ver10/schema">

    <wsnt:NotificationMessage xmlns:tns1="http://www.onvif.org/ver10/topics" xmlns:tnsaxis="http://www.axis.com/2009/event/topics" xmlns:wsnt="http://docs.oasis-open.org/wsn/b-2" xmlns:wsa5="http://www.w3.org/2005/08/addressing">

      <wsnt:Topic Dialect="http://docs.oasis-open.org/wsn/t-1/TopicExpression/Simple">tnsaxis:CameraApplicationPlatform/ALPV.PlateIn</wsnt:Topic>

      <wsnt:ProducerReference>

        <wsa5:Address>uri://c37d4bf5-fa69-498d-8294-e0c8ade51ded/ProducerReference</wsa5:Address>

      </wsnt:ProducerReference>

      <wsnt:Message>

        <tt:Message UtcTime="2021-05-17T16:24:19.596468Z" PropertyOperation="Changed">

          <tt:Source>

          </tt:Source>

          <tt:Key>

          </tt:Key>

          <tt:Data>

            <tt:SimpleItem Name="active" Value="1" />

          </tt:Data>

        </tt:Message>

      </wsnt:Message>

    </wsnt:NotificationMessage>

  </tt:Event>

</tt:MetadataStream>

LPR.PlateInView

LPR.New

LPR.Update

LPR.Lost

LPR.RealTime

VMMCR

VMMCR.Truck