Restrict form entries by enabling CAPTCHA
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Open the form builder.
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Click the Properties icon in the top-right of the form builder, as shown below. The Form Properties pane will appear on the right.
- Navigate to the Form Properties > Restrict Form Entries section.
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Check the checkbox next to Enable Captcha :
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In the live mode of the application, the Captcha will appear as seen below.
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The form cannot be submitted unless the Captcha is entered.