In the Action dialog, the 'Required AI objects' field should contain objects specific to the AI model(s) you are using. Like 'person,vehicle,dog'.
In the ONVIF events dialog, the 'Memo/label' field is alternative text for the usually lengthy string in the 'Contains' field.
Alert memos are limited to 35 characters. If the alert's memo is prefixed by the ONVIF label, e.g., 'RuleEngine/LineDetector/Crossed' (32 characters), then no room is left to display the objects. See the following link for examples.
5.7.7 - May 24, 2023 In order to reduce the chance for inadvertent configuration errors, this version enforces the use of required settings when dual-streaming is employed. Specifically, direct-to-disk recording, a pre-trigger buffer of at least 5 seconds, and no “limit decoding.” Whenever the...
ipcamtalk.com
It is for this reason that I use short entries in my most commonly used ONVIF 'Memo/label' entries.
5.7.7 - May 24, 2023 In order to reduce the chance for inadvertent configuration errors, this version enforces the use of required settings when dual-streaming is employed. Specifically, direct-to-disk recording, a pre-trigger buffer of at least 5 seconds, and no “limit decoding.” Whenever the...
ipcamtalk.com
My alert memos look like the following: