Botman Messenger Webview

Webview.php

<?php
$template = ButtonTemplate::create($message->attachment->payload->text);
        Log::info('Inside the button template1';
             $template->addButton(
                  ElementButton::create($btn->title)
                      ->url(
                          $webview_url.'/adAudit/'.$this->optin->id.'/'.$delivery->fresh()->uuid
                      )
                      ->heightRatio(ElementButton::RATIO_FULL)
                      ->enableExtensions());