Module Description
This module allows you to require that the content supplied for entity fields, node titles or taxonomy terms names will unique if so configured in each field or title/name of the entity, allowing the administrator to set a validation message in case the filled-in value already exists.

Installation and configuration Install the module like any other module depending on your project setup via admin UI, via Drush or via Composer.


* Once the module is enabled, you will see a settings group in each content-type / vocabulary called "Unique". Enable the settings checking the checkbox "Unique" and set a validation message if you want to. This restricts the entity title/name within that bundle.
* In each field attached to some entity you can also find a settings group called "Unique". Enable the settings checking the checkbox "Unique" and set a validation message if you want to.This restricts the field value within that entity allowing to a unique values.
Supported field types: email, link, decimal, float, integer, list_float, list_integer, entity_reference, list_string, text, text_long, text_with_summary, string, string_long, webform


There is another option if you configure a field to be of multiple cardinality, with this feature, you can prevent the same value to be entered more than once within the same field and configure an error message as well if you want to.

Related or similar modules

* Unique field
* Unique field ajax
* Unique entity title

Project Usage
850
Creation Date
Changed Date
Security Covered
Covered By Security Advisory
Version Available
Production
Module Summary
This module aims to solve the issue of ensuring unique content for entity fields, node titles, or taxonomy term names by allowing administrators to set validation messages for existing values.
Data Name
unique_content_field_validation

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