Hopefully, this is quite simple. I need to count the number of items selected in a Form Menu. Is there a simple way of doing this?
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There is a simple way to do that!
{formmenu: A; B; C; D; multiple=yes; name=items}
Count of items: {=count(items)}
Hi Scott, thank you for showing me this. I'd just happened across the formula snippet and count. Thank you
I want to briefly chime in here.
Firstly, I'm sure the solution is not obvious for many users. So thanks for posting about it @Anon_Brown 
Now, whenever you think there might be a straightforward solution, you might want to give AI Write a try first. I tried it with your query and got the correct answer:
This is a very new feature (see announcement) so there's a good chance folks didn't notice it yet 
Do let me know how it works for you!
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