Restrict the number of characters in a text field.
This seems like it should be simple but I can't quite get this to work.
We have certain fields that we copy into another system. One of our users wants to restrict the number of characters a user can enter into the field to 40 Chars. I tried using the expression (Len([<OpportunityName>]) > 40) in the field validation box but this do not work.
Please Help.
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