https://legacy.forums.gravityhelp.com/topic/invitation-codes-required-value Gravity Support Forums Topic: Invitation Codes, required value en-US Mon, 20 Apr 2026 15:22:21 +0000 http://bbpress.org/?v=1.0.1 q https://legacy.forums.gravityhelp.com/search.php https://legacy.forums.gravityhelp.com/topic/invitation-codes-required-value#post-26404 Thu, 26 May 2011 13:10:59 +0000 eurgbp2011 26404@https://legacy.forums.gravityhelp.com/ <p>thanks for the tip </p> https://legacy.forums.gravityhelp.com/topic/invitation-codes-required-value#post-26396 Thu, 26 May 2011 12:05:02 +0000 Oliver Chank 26396@https://legacy.forums.gravityhelp.com/ <p>Wow! I can't believe I haven't found that sooner. Thanks for the quick response. : ) </p> https://legacy.forums.gravityhelp.com/topic/invitation-codes-required-value#post-26389 Thu, 26 May 2011 11:33:08 +0000 Carl Hancock 26389@https://legacy.forums.gravityhelp.com/ <p>This isn't a built in feature in any of the fields, but it's possible to create your own functionality like this.</p> <p>There is an API hook called gform_validation that you can use to write your own custom validation for a field. You can find documentation for this hook here:</p> <p><a href="http://www.gravityhelp.com/documentation/page/Gform_validation" rel="nofollow">http://www.gravityhelp.com/documentation/page/Gform_validation</a></p> <p>There is also a tutorial on how to write custom validation in a tutorial here:</p> <p><a href="http://www.gravityhelp.com/documentation/page/Using_the_Gravity_Forms_%22gform_valiation%22_Hook" rel="nofollow">http://www.gravityhelp.com/documentation/page/Using_the_Gravity_Forms_%22gform_valiation%22_Hook</a> </p> https://legacy.forums.gravityhelp.com/topic/invitation-codes-required-value#post-26384 Thu, 26 May 2011 11:27:09 +0000 Oliver Chank 26384@https://legacy.forums.gravityhelp.com/ <p>Hi!</p> <p>Is there a way to make a required field with a required text value, pretty much like the number field's range value? My registration form needs a required invitation/promo code. </p>