What is Unique Field Validation and How to Use It in a WordPress Contact Plugin
Want to learn about a form feature that’s very helpful yet underrated? If you want, you can use unique field validation to reject duplicate entries in certain fields, meaning all the entries you receive from those fields are unique. How cool is that!
Use case
You can use it to receive unique entries through a form field.
What is unique field validation and how to use it in a WordPress contact plugin
Unique field validation is an advanced feature for an input field. It restricts the input field from accepting duplicate entries. This way, all the entries of that field remain unique. For example, if you turn on unique validation for the email field, one can only submit one form using one email address.
Let’s see how to use unique field validation with Fluent Forms, the fastest and most beginner-friendly WordPress form builder plugin.
Step 1:
Create a form or go to the form where you want to use unique field validation.
Step 2:
Click on the field that requires unique inputs. Or you can click on the pencil icon which appears when you hover over the field.
Step 3:
Go to Advanced Options from Input Customization.
Step 4:
Check the box beside Validate as Unique to turn on unique validation. You can also customize the message to show in case of duplicate entry attempts.
Step 5:
Click on Save Form from the upper right corner to save your changes.
Related features
Advanced form validation
Advanced form validation prevents spam or bot submissions. You can apply multiple conditions to this feature. The conditions will dictate whether there’s an error in the entries, or the entries are true. And depending on whether the conditions are met or not, the submission either proceeds or fails.
Empty submission blocking
Blank form submissions compromise the number of form submissions. From the number of entries, you can’t tell how many of them are of value to your business. You can restrict blank form submissions to prevent that from happening.
Sarika writes for Fluent Forms and loves to offer insights into small businesses. She’s curious and enjoys discussing ideas, interests, and perspectives. In her free time, she’s either marvelling at architectural beauties or trying different cuisines.
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