public function storePermanentThumbnail (Thumbnail $thumbnail)
    {
        $json = $this->storeGenericMedia(MediaType::THUMBNAIL, true, $thumbnail);

        return new Uploaded\Thumbnail($json->media_id);
    }
public function storePermanentThumbnail (Thumbnail $thumbnail)
    {
        $json = $this->storeGenericMedia(MediaType::THUMBNAIL, true, $thumbnail);

        return new Uploaded\Thumbnail($json->media_id);
    }
public function storePermanentThumbnail ( Thumbnail $ thumbnail ) { $ json = $ this -> storeGenericMedia ( MediaType :: THUMBNAIL , true , $ thumbnail ) ; return new Uploaded \ Thumbnail ( $ json -> media_id ) ; }
Uploads  a thumbnail for permanent storage on the WeChat servers.

@param Thumbnail $thumbnail

@return Uploaded\Thumbnail
Uploads a thumbnail for permanent storage on the WeChat servers .