MessageExtendedMediaPreview

---types---
messageExtendedMediaPreview#ad628cc8 w:flags.0?int h:flags.0?int thumb:flags.1?PhotoSize video_duration:flags.2?int = MessageExtendedMedia

Belongs to

MessageExtendedMedia

Parameters

w	int	optional
h	int	optional
thumb	PhotoSize	optional
video_duration	int	optional