This hook allows you to add CSS classes to the validation message class for all forms.

Usage

add_filter('frm_form_error_class', 'frm_add_error_class', 10, 1);
function frm_add_error_class($class)

Parameters

• $class (string)

Examples

add_filter('frm_form_error_class', 'frm_add_error_class', 10, 1);
function frm_add_error_class($class){
  	$class .= ' my_form_error_class';
    return $class;
}