Is it possible to add a label to a collection of boards and have all the boards be updated?

[GUS ADMIN]

I create boards for each of my clients from a template and all these boards, making them all part of a collection. 

Now, as new situations I encounter, I find myself in need to add a new label that will be used on all these boards; however, I don't want to have to continue to add theses labels manually since after the boards are created from a template, even if I make changes to the template the boards will not get updated. 

This means I have to manually add or update each table for each client with the new labels.

Is there a way to just update a collection, and all labels be updated simultaneously?

I really appreciate any help anyone can provide.

[Iain Dooley]

@GUS ADMIN there's no way to publish changes to a bunch of boards that derive from a template but if, for example, you keep a board with one card per board, and each card is linked into a board, then you can loop over all those boards with the API and add a label to the board. Here's a Trellinator function that would do it by creating a dummy card, adding a new label to it, then deleting that card:

https://gist.github.com/iaindooley/b4775e765617ca8284d6f0e0adb22f3b

You can execute that function in BenkoBot here:

https://app.benkobot.com/

You will need to update the name of your board, create the linked cards and update the label name obviously. You could save this code snippet it and use it to publish label changes going forward.