Setting up a Low Disk Space Alarm in Dude

Hi, I’m looking for a function or SNMP OID that I can use to create an alarm when the RouterOS has insufficient or low disk space.

I tried using the ‘hdd_usage’ function, but I couldn’t find a way to do it. I also attempted to find an OID, but without success.

I’ve attached an image showing the output of the ‘hdd_usage’ function. However, this won’t work when the equipment goes offline.

Is there a specific OID for this purpose?

Anybody have any other experiences with this issue?

Thank you very much
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