messageMediaEmpty#3ded6320 = MessageMedia;
messageMediaPhoto#695150d7 flags:# photo:flags.0?Photo ttl_seconds:flags.2?int = MessageMedia;
messageMediaGeo#56e0d474 geo:GeoPoint = MessageMedia;
messageMediaContact#cbf24940 phone_number:string first_name:string last_name:string vcard:string user_id:int = MessageMedia;
messageMediaUnsupported#9f84f49e = MessageMedia;
messageMediaDocument#9cb070d7 flags:# document:flags.0?Document ttl_seconds:flags.2?int = MessageMedia;
messageMediaWebPage#a32dd600 webpage:WebPage = MessageMedia;
messageMediaVenue#2ec0533f geo:GeoPoint title:string address:string provider:string venue_id:string venue_type:string = MessageMedia;
messageMediaGame#fdb19008 game:Game = MessageMedia;
messageMediaInvoice#84551347 flags:# shipping_address_requested:flags.1?true test:flags.3?true title:string description:string photo:flags.0?WebDocument receipt_msg_id:flags.2?int currency:string total_amount:long start_param:string = MessageMedia;
messageMediaGeoLive#b940c666 flags:# geo:GeoPoint heading:flags.0?int period:int proximity_notification_radius:flags.1?int = MessageMedia;
messageMediaPoll#4bd6e798 poll:Poll results:PollResults = MessageMedia;
messageMediaDice#3f7ee58b value:int emoticon:string = MessageMedia;
---functions---
messages.getWebPagePreview#8b68b0cc flags:# message:string entities:flags.3?Vector<MessageEntity> = MessageMedia;
Can bots use this methd ?