botframework - How to resolve the issue when I want to show multiple videos in Skype by using bots -

i working on bots project using botframework in using videos displaying in bots , here issue when displaying videos in local it's working , when configuring skype, shows 1 video in skype.

the code this:

private async void trailerslist(idialogcontext context, activity message) {         activity replytoconversation = message.createreply("welcome **myapp**." + "(hi)");         replytoconversation.recipient = message.from;         replytoconversation.type = "message";         replytoconversation.attachments = new list<attachment>();         dictionary<string, string> cardcontentlist = new dictionary<string, string>();         cardcontentlist.add("jason bourne", "");         cardcontentlist.add("the land", "");         cardcontentlist.add("yoga hosers", "");         foreach (keyvaluepair<string, string> cardcontent in cardcontentlist)         {             if (cardcontent.key == "jason bourne")             {                 replytoconversation.attachments.add(new attachment()                 {                                                                 contenturl= "https://ce5qxa-bn1306.files.1drv.com/y3m9n1skzbrmwstd_ozgbwhsavbzhi5ij025q-w0cy_6chhvm8brmaaws-yx8_mhbmdrsbuix3hhfhnk-netdwtefkbwaiso0pz72xasgzoegaufue6e1vt8n_1aolf0yggcuqckpfhhnkxe4hic5jojffxbs_sn_jgtnwttudvbog/jason%20bourne%20official%20trailer%20%231%20(2016)%20-%20matt%20damon%2c%20alicia%20vikander%20movie%20hd%20(2).mp4",                     contenttype = "video/mp4",                     name = "jason bourne"                 });             }             else if (cardcontent.key == "the land")             {                 replytoconversation.attachments.add(new attachment()                 {                                            contenturl = "https://fk5qxa-bn1306.files.1drv.com/y3munju5javgrsyfquv0vt2tged9t9htb8ott4yhtgfyqvw6l3lztaqi-2udlbcnz9fyximbbwrpi7vfqx5mdksgpkxwyahqzf5fru3h2lia_gfqmvco-u0oz6q1hufxrzjyufki1fs6d8ziil3anoou-urudjcdcoyowticklvp-e/the%20land%20official%20trailer%201%20(2016)%20-%20moises%20arias%2c%20machine%20gun%20kelly%20movie%20hd%20(1).mp4",                     contenttype = "video/mp4",                     name = "the land"                 });             }             else if (cardcontent.key == "yoga hosers")             {                 replytoconversation.attachments.add(new attachment()                 {                                            contenturl = "https://fu5qxa-bn1306.files.1drv.com/y3myzrh1hxvu5zffo2edti35n3tuuce-un-f5larmisda9mmx-q1sod50yn2mpcgngvkgujufmggpi98gjprdhhiqhs3z-zevpxrd2zhus0u1lvdhcst3oaay0tme-7zxfmt1tfonyssjsx4yjp2y1t0ubnvjirvu3ne7oz5yx_d-q/yoga%20hosers%20trailer%20(2016)%20-%20johnny%20depp%2c%20justin%20long%20movie%20hd%20(1).mp4",                     contenttype = "video/mp4",                     name = "yoga hosers"                 });             }         }         replytoconversation.attachmentlayout = attachmentlayouttypes.list;         await context.postasync(replytoconversation);     } 

when calling in skype, it's getting video below , playing successfully.