Class RbmMedia (0.7.2)

Rich Business Messaging (RBM) Media displayed in Cards The following media-types are currently supported:

Image Types

image/jpeg image/jpg' image/gif image/png

Video Types

video/h263 video/m4v video/mp4 video/mpeg video/mpeg4 video/webm

Optional. Publicly reachable URI of the thumbnail.If you don't provide a thumbnail URI, the RBM platform displays a blank placeholder thumbnail until the user's device downloads the file. Depending on the user's setting, the file may not download automatically and may require the user to tap a download button.