Is there a way to query all "Active Subscriptions" across a tag provider?

[sherman]

I'm doing a tag review and I have found the Tag Diagnostics -> Active Subscriptions page which makes me think that I can programmatically find all of the tags that are no longer being used, but I don't want to have to right click -> tag diagnostics -> active subscriptions every single tag.

I know this is a relatively new feature but I can't find any scripting reference for it yet. I have enabled the tag reference tracking in the gateway tag providers settings, and I know this will likely miss "ad hoc" references made via expression / script, but it can get me a shorter list of things to evaluate.

[PGriffith]

Access Tag Reference Tracker by Script

There's no supported/exposed way to retrieve the information from the tag reference tracker, but like most things in Ignition, it's still possible. I would recommend doing this on the gateway, but if you've got a gateway context already, then something like this: from com.inductiveautomation.ignition.common.tags.config.model import TagReferenceQuery from com.inductiveautomation.ignition.common.tags.paths import BasicTagPath # @param activeSubscriptions True, only return references from curren…

[sherman]

Awesome thank you!

[Leor_Fishman]

wow that's way nicer than my recommendation
which was going to be manually traversing the tag source tree of every project and building a liveness graph