gistfile1.php

<?php

class Model_Category extend Jelly_Model
{
    public static function initialize(Jelly_Meta $meta)
    {
        /**
         * defaultnya sih categories, tapi kalo kita punya table berbeda,
         * pake method table() buat definisi nama table
         */
        $meta->table('kategori')
            ->fields(array(
                'id'    => new Field_Primary,
                'name'  => new Field_String,
                'slug'  => new Field_Slug,
            ));
    }

    public function save($key = null)
    {
        if ( ! $this->loaded() )
            $this->slug = $this->name;

        return parent::save($key);
    }
}