cakePHP validator password compare

// In src/Model/Table/UsersTable.php
public function validatePasswords($validator)
{
  $validator->add('password2', 'no-misspelling' , [
         'rule' => [ 'compareWith' , 'password' ],
         'message' => 'Hasła nie są takie same.' ,
       ]);
    ...
   return $validator;
}