How do I make sure that the phone number entered in my form is 10 digits and throw an error if it is wrong?
How do I make sure that the phone number entered in my form is 10 digits and throw an error if it is wrong?
Forum Discussion
You can use the Length() function like so in a formula check box field.
if(
length([phone number])<10,true,false
)
I tried doing that, it does not work. Can you tell me what is the field type that you select for formula? Phone number is of field type PHONE.