Skip to main content
OpenEye Knowledge Base

License Plate Recognition Alerts

License Plate Recognition (LPR) Alerts are sent when numbers and letters that match the rule's criteria are detected by a camera on a vehicle's plate during a specified time period. 

NOTE: LPR is only available with certain licensing tiers. See OWS Licensing for more information.

Create a License Plate Alert Rule
  1. Within the Alerts tab in the OWS Cloud Portal, select Alert Rules from the dropdown menu.

Alert Rules dropdown.png

  1. Click Add New Rule.

Add New Rule button.png

  1. Select an Alert Type from the pop-up menu. 

Create Alert Rule Popup List.png

  1. Click Next.

Next Button.png

  1. Name the alert and give it a Description as desired.

Name Alert Rule popup.png

  1. Click Create.

Create button.png

Configure an LPR Rule

Configure an LPR Rule in Rule Definition.

Configure Alert Rule LPR Rule Definition.png

  1. Select to either Enable matches for characters that look the same. Select Disable for exact character matches.
  2. Select to Match the plate characters entered in the License Plate List in the field below. Select No Match to send an alert when a plate doesn't match the plate characters entered in the field below.
  3. Enter license plate characters into the License Plate List 

NOTE: Enter a wildcard asterisk * to a License Number to return specific results:


WH89K* will return all license plates that start with WH89K

WH*KR will return all license plates that start with WH and end with KR

W*MK* will return all license plates that start with W and contain MK

  1. Enter the Start and End times the rule will be active.
  2. Check the boxes beneath the Days of the Week on which the rule should be active.
  3. Active Alert (Optional) - Check the Active Alert box to add the alert to the Active Alert Dashboard and tag it as an Active Alert in email notifications.
  4. Activate Relay on originating device (Optional) - Enter the relay numbers separated by commas that activate with the alert.
Add Users to an Alert Rule

NOTE: Adding Users to a rule automatically grants them permission to view alerts for cameras and locations they have access to based on their User Group permissions.

  1. Click Users/Notifications on the left-hand menu.

Users Notifications tab.png

  1. Click Add User or Add Group.

Add Group Add User button.png

  1. Click + next to each User or Group to send emails and push notifications when the alert is triggered.

Green Add button.png

  1. Click Add when finished.

Select button.png

NOTE: To receive email, push or client alert notifications, the Email Alert, Push Alert or Client Alert box must be checked. Simply adding a user only gives them access to see this alert’s history. See Alert Notifications for details.

Deleting an Alert Rule or Updating, Disabling, Clearing All Active Alerts
  1. Click General Info on the navigation sidebar.

General Info tab.png

  1. Edit the Name and Description as desired.

General Info Name and Description.png

  1. Click Disable Rule to turn the Alert Rule off without deleting it.
  2. Click Delete Rule to permanently remove the Alert Rule and delete all history associated with it.
  3. Click Clear All Active Alerts to permanently remove only the Active Alerts from the history associated with the Alert Rule.
  4. Click Save when finished.

NOTE: The Name given to an alert will appear as the subject line of email notifications sent by that alert.

  • Was this article helpful?