add.ctp

<nav class="large-3 medium-4 columns" id="actions-sidebar">
    <ul class="side-nav">
        <li class="heading"><?= __('Actions') ?></li>
        <li><?= $this->Html->link(__('List Images'), ['action' => 'index']) ?></li>
    </ul>
</nav>
<div class="images form large-9 medium-8 columns content">
		<?= $this->Form->create($image, ['type' => 'file']) ?>
    <fieldset>
        <legend><?= __('Add Image') ?></legend>
        <?php
            echo $this->Form->input('name');
            echo $this->Form->input('dir');
						echo $this->Form->input('photo', ['type' => 'file']);
        ?>
    </fieldset>
    <?= $this->Form->button(__('Submit')) ?>
    <?= $this->Form->end() ?>
</div>

ImageTabe.php

<?php
namespace App\Model\Table;

use Cake\ORM\Query;
use Cake\ORM\RulesChecker;
use Cake\ORM\Table;
use Cake\Validation\Validator;

/**
 * Images Model
 *
 * @method \App\Model\Entity\Image get($primaryKey, $options = [])
 * @method \App\Model\Entity\Image newEntity($data = null, array $options = [])
 * @method \App\Model\Entity\Image[] newEntities(array $data, array $options = [])
 * @method \App\Model\Entity\Image|bool save(\Cake\Datasource\EntityInterface $entity, $options = [])
 * @method \App\Model\Entity\Image patchEntity(\Cake\Datasource\EntityInterface $entity, array $data, array $options = [])
 * @method \App\Model\Entity\Image[] patchEntities($entities, array $data, array $options = [])
 * @method \App\Model\Entity\Image findOrCreate($search, callable $callback = null)
 *
 * @mixin \Cake\ORM\Behavior\TimestampBehavior
 */
class ImagesTable extends Table
{

    /**
     * Initialize method
     *
     * @param array $config The configuration for the Table.
     * @return void
     */
    public function initialize(array $config)
    {
        parent::initialize($config);

        $this->table('images');
        $this->displayField('name');
        $this->primaryKey('id');

        $this->addBehavior('Timestamp');
				$this->addBehavior('Josegonzalez/Upload.Upload', [
        	'photo',
        ]);
    }

    /**
     * Default validation rules.
     *
     * @param \Cake\Validation\Validator $validator Validator instance.
     * @return \Cake\Validation\Validator
     */
    public function validationDefault(Validator $validator)
    {
        $validator
            ->integer('id')
            ->allowEmpty('id', 'create');

        $validator
            ->requirePresence('name', 'create')
            ->notEmpty('name');

        $validator
            ->allowEmpty('dir');

        $validator
            ->allowEmpty('photo');

        return $validator;
    }
}