Reading from [System] tag provider

Hello all,

Are we allowed the read from the [System] tag provider? No matter the tag I choose to bind to, the result always appears to be null / not found.

You're in Perspective. Perspective sessions don't have access to the client context (we decided on this nomenclature a while ago and we're sticking to it, even if it its somewhat overloaded).

You can get access to properties like what's in the [System]/Client folder in the session properties:
https://docs.inductiveautomation.com/display/DOC81/Session+Properties

You cannot get the user agent (mobile phone, web browser, Workstation session) MAC address in Perspective. Full stop.

That's a little unfortunate but I understand. Thanks for the quick response!

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