{formmenu: default=Kiwi; Pineapple; Pear; Banana; name=fruits; multiple=yes}
How the formmenu's selected results are formatted by default: {=fruits}
Converting the formmenu's results from a list to a string and saving it as a variable called string through assignment mode: {string=join({=fruits},", ")}
Viewing the results as a string: {=string}
Fake example of a URL send using the string
variable instead of the original fruits
variable: {urlsend: https://forms.google.com/whatever?field=fruits&value={=string}}