Compound Alerts

Compound Alerts allow users to create multi-condition alert rules that combine different detection types into a single alert. Instead of receiving separate notifications for each condition, users receive one alert only when all specified conditions are met simultaneously.

A Compound Alert consists of two conditions: one trigger and one filter. Both must be satisfied for the same person or vehicle before an alert is generated.

Requirements fall into two categories:

Triggers

Triggers detect specific camera analytics events on a given person or vehicle:

• Motion Detection — person or vehicle is detected in the camera's field of view.

• Loitering — person or vehicle remains in a defined area beyond a configured duration.

• Line Crossing — person or vehicle crosses a virtual boundary drawn on the camera view.

Filters

Filters match characteristics of the trigger event to a user-defined condition:

• People Filters

  • People List (POI) — face matches against a configured People List (e.g., watchlist, VIP list).

  • Smart List — face matches against an automatically curated Smart List (New People or Frequently Seen People).

  • AI Query — describe a visual characteristic in plain text (e.g., "person wearing a red jacket") and the system uses AI-based image matching to detect it.

• Vehicle Filters

  • AI Query — describe a visual characteristic in plain text (e.g., "black SUV") and the system uses AI-based image matching to detect it.

Limitations and requirements:

• Compound alerts are only supported on 2nd and 3rd-generation cameras.

• Face Detection must be enabled on cameras when using People List or Smart List filters.

• People attributes must be enabled on the cameras using AI Query filters.

• Compound alerts may take up to 30 seconds before generating the event.

• After creating a compound alert, Command may take up to 5 minutes before generating events.

---

Configure Compound Alerts

Create Alert > Cameras

1

On the Command homepage, in the left navigation, click Alerts.

2

At the top, click New Alert.

3

Select one of the supported triggers.

• Motion Detection

• Line Crossing

• Loitering

4

Select a supported motion type: People or Vehicles.

5

Select a filter to be used for the compound alert.

• People List (people motion type only)

• Smart List (people motion type only)

• Custom Query (people and vehicles)

6

Continue the alert-specific configuration steps.

7

Configure the filter:

• People List – Select specific individuals or broader People Lists

• Smart List – Choose a Smart List and person type (New, Frequently Seen, or All)

• Custom Query – Enter a natural language query

8

Click Done and continue with the alert recipients.

Create Alert > Recipients

1

On Recipients, add users individually or assign the alert to a group.

2

Select the dropdown menu next to a user or group to choose their notification method(s). Recipients can be notified via push, SMS, or email notifications.

3

(Optional) By default, you will be an alert recipient. Select the dropdown menu and click Delete to remove yourself.

4

Click Done and continue with the alert notification schedule.

Any recipient added to this alert will see it appear under the Shared Alerts section of their Alerts page.

Create Alert > Notification Schedule

1

On Notification Schedule, specify the days and times for the alerts to send notifications. Alerts generate 24/7 by default.

2

Click Done and continue to device actions or finish the alert.

Create Alert > Device Action

1

On Device Action, select the horn speaker(s) you want to play your message.

2

Select your notification preference (Text to Speech or Audio File).

a. For Text to Speech, enter a message up to 200 characters. b. For Audio File, drag and drop the file or click choose a file to upload your audio clip.

3

Click Done and continue with finish the alert.

Finish the alert

1

In the bottom right of the configuration window, click Next.

2

Enter a descriptive name for the alert.

3

Click Done to complete the setup.

---

Best practices

• Write specific AI descriptions — for AI Query filters, use clear and specific text (e.g., "person wearing a high-visibility vest" rather than "worker"). More specific descriptions improve match accuracy.

• Optimize camera placement — place cameras in well-lit areas with clear sightlines. For POI and Smart List requirements, ensure faces are clearly visible (straight-on view, adequate lighting).

• Review and iterate — periodically review alert results and adjust requirements or thresholds to maintain the right balance between alert volume and relevance.