Displays a cloud-hosted [Mow Player](https://mowplayer.com/).
<script async custom-element="amp-mowplayer" src="https://cdn.ampproject.org/v0/amp-mowplayer-0.1.js"></script>
FILL THIS IN. What does this extension do?
The Mowplayer media id. This is an alphanumeric sequence that can be found in the Content section in your Mowplayer platform.
See amp-mowplayer rules in the AMP validator specification.