HistoryBehavior.php

<?php
namespace App\Model\Behavior;

use Cake\Datasource\EntityInterface;
use Cake\Event\Event;
use Cake\ORM\Behavior;
use Cake\ORM\Table;
use Cake\ORM\TableRegistry;

class HistoryBehavior extends Behavior
{
  protected $_defaultConfig = [
    'userIdCallback' => null,
    'customActions' => [],
    'userNameFields' => [
      'firstname' => 'firstname',
      'lastname' => 'lastname',
      'id' => 'Users.id'
    ]
  ];

  public function initialize(array $config)
  {
    parent::initialize($config);
  }

  public function beforeSave(Event $event, EntityInterface $entity, \ArrayObject $options)
  {
    echo "Before save";
    exit;
  }

  public function afterSave(Event $event, EntityInterface $entity)
  {
    echo "After save";
    exit;
  }
}

Table.php

<?php
namespace Lib\ORM;

class Table extends \Cake\ORM\Table
{
    public function initialize(array $config)
	{
		$this->addBehavior('History');
		parent::initialize($config);
	}
}

user.php

$userTable = \Cake\ORM\TableRegistry::get('Users');

$user = new \App\Model\Entity\User();
$user->email = 'aa';
$user->username = 'aa';
$user->password = 'aa';
$userTable->save($user);

dump($userTable->behaviors()->loaded());

UsersTable.php

<?php
namespace App\Model\Table;

use Lib\ORM\Table;

class UsersTable extends Table 
{
	public function initialize(array $config)
	{
		$this->table('users');
		$this->addBehavior('History');
	}
}