You can get a list of your saved searches like this :
| rest /servicesNS/admin/search/saved/searches | search title="*threshold"
(you may need to swap out 'search' with the name of your app)
Then you can add
| map maxsearches=20 search="| savedsearch \"$title$\" | eval savedsearch=\"$title$\" "
I added "savedsearch" as a field because you'll probably need it anyway, plus there has to be at least 1 common field across all the searches.
One thing to note, all the searches will be run across the same time range.
map is cool. if you run a search, by using map, you can run a subsearch with string replacement.
In the above example, the initial rest query returns the saved searches in a field called 'title'
The map command runs the search n times, replacing $title$ with the savedsearch name each time.
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