/**
* This hook will block adding contact if email address is non-unique
*/
HBEventManager::addProceduralObserver('after_clientvalidation',function(&$data){
if($data['status'] && !$data['id'] && $data['email']) {
$ret= Registrator::validateEmail($data['email']);
if($ret) {
$data['status'] = false;
$data['errors'][] = $ret[0];
}
}
});
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