Manage your forms with conditional logic capabilities.
1. Once logged into the CMS, navigate to ‘Custom Forms’.
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2. Click 'Forms'.
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3. Choose the form you want to edit/update.
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4. From the ‘Build’ tab, select a field and click the three buttons on the right to display 'More Options'.
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5. Choose 'Field Settings'.
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6. Click on 'Add Conditional Logic'.
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7. You can then choose what needs to be displayed depending on what is picked.
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8. Click 'Add'.
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9. Click 'Update' to save changes.
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You could also take a look at this documentation for further guidance: https://formidableforms.com/knowledgebase/using-conditional-logic