# UI-Only LEN in equalion

What do I have wrong?

If ( LEN( {{Temp_10_Digits__c}} ) == 10

,

""

,

"The phone length is " & LEN({{Temp_10_Digits__c}}) & " digits, it needs to be 10 digits."

)

If ( LEN( {{Temp_10_Digits__c}} ) == 10

,

""

,

"The phone length is " & LEN({{Temp_10_Digits__c}}) & " digits, it needs to be 10 digits."

)

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## Comments

I am not exactly sure, but I think the 'IF' must be uppercase and I don't think you can combine the LEN function along with text for the result if false.

I was able to do what you are after by creating a second formula field called 'PhoneMessage' that would display the message you want when the value is false. Here are the formulas for my 2 fields:

PhoneCheck--> Formula field - Text outputIF(LEN({{Phone}})==10,"",{{PhoneMessage}})

PhoneMessage--> Formula field - Text output"The phone length is " + LEN({{Phone}}) + " digits, it needs to be 10 digits."

Thanks,

Bill