public function image($imageUrl, $accessibilityText = null)
    {
        $this->imageUrl = $imageUrl;
        $this->accessibilityText = $accessibilityText;

        return $this;
    }
public function image($imageUrl, $accessibilityText = null)
    {
        $this->imageUrl = $imageUrl;
        $this->accessibilityText = $accessibilityText;

        return $this;
    }
public function image ( $ imageUrl , $ accessibilityText = null ) { $ this -> imageUrl = $ imageUrl ; $ this -> accessibilityText = $ accessibilityText ; return $ this ; }
Set the image for a Card.

@param string $imageUrl          image URL
@param string $accessibilityText (optional) accessibility text of the image

@return Dialogflow\Action\Responses\BasicCard
Set the image for a Card .