(Platinum version of the plugin)
The "Unique Fields Values" add-on verifies that the values entered by users have not been used in previous submissions. It allows to enter simple and complex verification rules (one or multiple fields separated by comma symbols).
DocumentationEnabling addon
Easy to activate
To activate the add-on, go to the settings page of the plugin through the menu option: "Settings/Calculated Fields Form", tick the checkbox: "CFF-Unique Fields Values" and press the "Activate/Deactivate addons" button.
Unique Fields Values Settings
Unique Fields Values Settings
Tick the "Enable the Unique Fields Values in the form" checkbox, enter the fields' names, error message, and date interval.