Add missing description field to Template class #693
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What does this do?
Adds support for the
descriptionparameter to the Template class.Why is it a good idea?
Template description is already part of the Grafana JSON API; this just adds plumbing to use it.
Context
See docs https://grafana.com/docs/grafana/latest/dashboards/variables/add-template-variables/
Questions
Testing
I setup JSON data like this

And it successfully imported like this
