Development > Function Reference > Helpers > Validation

Check Unique value in a InformationSet

App::Utility()->uniqueInformation(Value, Options)

Parameter	Description
Value	Value to check
Options	Define InformationSet and field to check. 'type' to set InformationSet name and 'fieldname" field name.

See bellow example:

$return = App::Helper('Validation')
    ->uniqueInformation(
        'ContactUs',
        array(
            'type'=>'Emailtemplate',
            'fieldname'=>'templatetype'
        )
    );