Funcion buscar

Function Buscar

public function getPalabraByPersonal() {
 if ($this->request->is('ajax')) {
  $cedula = $this->params['data']['dni'];

$personal = $this->Personal->find('all',array(
   'fields' => array('Personal.idpersonal','Personal.full_name','Personal.cedula'),
   'conditions'=>array('Personal.cedula LIKE'=>'%'. $cedula. '%')));


  $this->RequestHandler->respondAs('json');
  $this->autoRender = false;
   echo json_encode ( $personal );
 }