Allowing Only One Check Box to be Selected

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To prevent a user from selecting more than one Check Box for the associated Custom Field, add this code to the HTML Tag section of the Custom Field:


NOTE: It is normally better to use a Combo Box custom field with Show as Radio Buttons selected

This can be used for:

The user will not be able to select more than a single check box with this code in place.

For a Select One - Combo Box field, the "Show as Radio Buttons" option can be selected to display the field selections as "radio buttons."