Zend/Gdata/YouTube/VideoQuery.php
public function setFormat($value = null)
    {
        if ($value != null) {
            $this->_params['format'] = $value;
        } else {
            unset($this->_params['format']);
        }
        return $this;
    }
public function setFormat($value = null)
    {
        if ($value != null) {
            $this->_params['format'] = $value;
        } else {
            unset($this->_params['format']);
        }
        return $this;
    }
public function setFormat ( $ value = null ) { if ( $ value != null ) { $ this -> _params [ 'format' ] = $ value ; } else { unset ( $ this -> _params [ 'format' ] ) ; } return $ this ; }
Sets the param to return videos of a specific format

@param string $value
@return Zend_Gdata_YouTube_VideoQuery Provides a fluent interface
Sets the param to return videos of a specific format