Expected behaviour: return the number of selected items.
Solved
COUNTALL(Multiple Options) always returns 1
Best answer by Simon_Brown
IF( LEN({FieldName}) = 0, 0, LEN(CONCATENATE(",", {FieldName})) - LEN(SUBSTITUTE({FieldName}, “,”, “”)))
As a workaround, this formula works for me, but none of the multiple options can have a “,” in.
It returns 0 if there’s nothing there, otherwise it compares the length of the multiple options string with the length of the same string without the commas.
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