These approaches don’t seem to work:
foo=value1&foo=value2&foo=value3
foo[]=value1&foo[]=value2&foo[]=value3
Is there a way to do this?
Solved
How to prefill Multiple Select in a form?
Best answer by AlliAlosa
Try this: ?prefill_foo=value1,value2,value3
A quick test worked for me using that approach!
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