public function attachFiles($ticketid, $images)

    {

        $access_token = $this->get_access_token();

        if(isset($images) && !empty($images)){

            foreach($images as $key => $image) {

                $ch_image = curl_init();

                curl_setopt( $ch_image, CURLOPT_URL, 'https://desk.zoho.com.au/api/v1/tickets/'.$ticketid.'/attachments?isPublic=true' );

                curl_setopt( $ch_image, CURLOPT_POST, true );

                $post_fields = array(

                    'file' => new CURLFile($image)

                );

                curl_setopt($ch_image, CURLOPT_POSTFIELDS, $post_fields);

                curl_setopt($ch_image, CURLOPT_RETURNTRANSFER, true);

                curl_setopt( $ch_image, CURLOPT_HTTPHEADER, array(

                    'Authorization: Zoho-oauthtoken ' . $access_token,

                    'orgId: ******',

                    'Content-Type:multipart/form-data'

                ) );

                $img_response = curl_exec( $ch_image );

                curl_close($ch_image);

                $image_upload_response = json_decode($img_response, true);

                print_r($image_upload_response);  //this is empty!?

            }

        }