What is wrong with this simple expression?

“Start Date must be " TODAY() " or later.”

Trying to implement the suggestion in https://blog.appsheet.com/feature-friday-sliding-actions-invalid-input-error-messages-workday-expression

Thanks.

Please write it like “Start date must be “&TODAY()&” or later.”

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Don’t forget to use ampersand when you are writing text and formula :slight_smile:

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Thank you.

I’ve read many of the Help articles on expressions. Where can I find more rules like this? I couldn’t find the need for ampersand any where. Thanks. I have lots to learn.

& is used instead of a concatenate(). It’s the short hand for that formula.
I don’t actually know that there is any documentation on this being the case.

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Thanks Austin. That helps me understand it better.