Comparable 2.xx to 3.xx functionality

Hi,

I am trying to write an app in 3.xx using functionality that I have previously used in 2.xx but despite scouring the docs, I cannot find the answers. Apologies if they are in there, but there seems to be  5x the amount of documentation especially around the new ORM.

In 2.xx I could easily find the value of a single field e.g. $this->User->field('temp_key') Is there a 3.xx equivalent ?

In 2.xx I could validate a field in a model e.g. $this->User->validates(array('fieldList' => array('email'))) Is there a 3.xx equivalent ?

Lastly a general question. The top of my Users controller currently looks like this, and I've not yet finished it...

namespace App\Controller;

use App\Controller\AppController;

use Cake\Network\Exception\ForbiddenException;

use Cake\Event\Event;

use Cake\ORM\TableRegistry;

use Cake\Utility\Security;

use Cake\ORM\Entity;

class UsersController extends AppController {

Does this look right, compared to the simplicity of 2.xx this now looks very unwieldy and complicated?

Thanks for any replies.

Dave

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