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Captcha
If checked, a captcha is displayed logo appears when the user clicks Submit on the form loads. This is to prevent Spam submissions and the form can only be submitted upon successful completion of the captcha. When users click to Submit the form, no further action is necessary.
provides many more properties and settings. You can learn about most of these simply by experimenting in the Form Designer and the properties are also detailed in the Editing Form Properties chapter of the documentation.
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