Webviews Start Supporting In Messenger.com and Facebook Chat tabs
In Early Version Of Messenger bot, Webviews was only available on the messenger app in mobile devices.Web views were not supported by Messenger web and Facebook chat tabs. It was opening in a new tab in the browser. In Latest Release Messenger Platform v2.1 FB introduce the desktop support for Messenger Extensions SDK. This Feature allows to Messenger bot developers to open the iframes inside the Facebook desktop platforms.
In Messenger
In Facebook.com
In Mobile Devices
For Developers:
Allow loading of your pages in iframe on Messenger and Facebook domains
We use iframe to present your pages on Messenger web and Facebook chat tabs. You have to set up proper X-Frame-Options HTTP response header to allow your pages within an iframe.
X-Frame-Options: ALLOW-FROM https://www.messenger.com/X-Frame-Options: ALLOW-FROM https://www.facebook.com/
Limitations
The following settings or features are not supported on Messenger web clients. They still function properly on Messenger mobile clients.
webview_height_ratio
webview_share_button
Navigation back buttons
Dialog title
Closing the webview via URL redirect
getUserID()
Payments
For designers i have made a html/css package which give you access to elements thats exactly looks like messenger elements.
