[TYPO3-mvc] Custom view helper problem

[Fernando Arconada]

Hello

I've a model Tx_Mytube_Domain_Model_Video 

I have created a ViewHelper
<?php
class Tx_Mytube_ViewHelpers_VideoViewHelper extends 
Tx_Fluid_Core_ViewHelper_AbstractViewHelper {

        /**
	 * Renders the video player
	 *
	 * @param Tx_Mytube_Domain_Model_Video $video
	 * @return string the content of the rendered TypoScript object
	 */
          public function render(Tx_Mytube_Domain_Model_Video $video) {
                return "AAAAAA";
          }
          
}
?>

and a template

{namespace mytube=Tx_Mytube_ViewHelpers}
<mytube:video video="{video}"/>

But i having an exception

#1237900534: No validator found for argument name "video" with type 
"Tx_Mytube_Domain_Model_Video" in view helper 
"Tx_Mytube_ViewHelpers_VideoViewHelper". 


What am i doing wrong?


Kind regards

Fernando Arconada