How Get Input Value In Form Via Behavior?

Hi,

I create behavior for custom tags for Article model, I take TaggableBehaviour extension as guidance

article _form


<?php	echo $form->textField($model,'tags');		?>

saving the tags works fine in to tables:


CREATE TABLE `tagged` (

  `id` int(11) unsigned NOT NULL AUTO_INCREMENT,

  `tag_id` int(11) NOT NULL,

  `entity_id` int(10) unsigned NOT NULL,

  `entity_type` varchar(100) NOT NULL DEFAULT '',

  PRIMARY KEY (`id`),

  KEY `entity_id` (`entity_id`),

  CONSTRAINT `fk_article` FOREIGN KEY (`entity_id`) REFERENCES `article` (`id`) ON DELETE NO ACTION ON UPDATE NO ACTION

) ENGINE=InnoDB AUTO_INCREMENT=82 DEFAULT CHARSET=utf8;


CREATE TABLE `tags` (

  `id` int(11) unsigned NOT NULL AUTO_INCREMENT,

  `tag` varchar(255) NOT NULL DEFAULT '',

  `count` int(11) NOT NULL,

  PRIMARY KEY (`id`),

  UNIQUE KEY `tag_UNIQUE` (`tag`)

) ENGINE=InnoDB AUTO_INCREMENT=32 DEFAULT CHARSET=utf8;



My issue is the update, I do not know how to get the tags value in the article _form … how to do that ?

Thanks,