Updating alerts for ALL process models

I have a large number of process models, spread across many applications and due to different deployments they have many different alert groups configured.
Rather than opening each PM individually and setting the alert to the same constant I wondered if it's possible to do it pro-grammatically ?

To that end I have found the process utilities plugin - which has the node Set Alert Recipients for PM. It can be provided a list of PM UUID's - but I don't see how to get this list dynamically ?

Any ideas ?

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