title: Microsoft Teams Card Action Launch App Tab instead of opening the page in default browser
body: <p>I've been trying to develop a Bot using the Microsoft Bot Framework and have had issues finding resources on how to have a button from a MessageCard 
  and/or rich card attachment open my application's tab within the Teams desktop app for Windows 10.  I've been referring to the documentation linked from <a href="https://docs.microsoft.com/en-us/microsoftteams/platform/concepts/deep-links" rel="nofollow noreferrer">MSDN </a> and would like to know if there are any good examples to follow.  Currently the browser is launched when the button is clicked (instead of staying within the app).  </p>
  
  <p>The card is simplistic, however, I just need to get past this basic scenario on 
  <a href="https://i.stack.imgur.com/fllU6.png" rel="nofollow noreferrer">My Card</a>.  Is there way to launch the tab from the Read Article button?</p>
  
  <p><a href="https://i.stack.imgur.com/fllU6.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/fllU6.png" alt="enter image description here"></a></p>
  
  <p><strong>Edit / Additional Information:</strong></p>
  
  <p>The link under the Read Article button is:</p>
  
  <p><a href="https://teams.microsoft.com/l/entity/14ec8cab-b2b7-4596-b358-a1ce962d5c7b/myAppTab?webUrl=https://myappsite.azurewebsites.net&amp;label=News&amp;context=" rel="nofollow noreferrer">https://teams.microsoft.com/l/entity/14ec8cab-b2b7-4596-b358-a1ce962d5c7b/myAppTab?webUrl=https://myappsite.azurewebsites.net&amp;label=News&amp;context=</a>{'canvasUrl': '<a href="https://myappsite.azurewebsites.net" rel="nofollow noreferrer">https://myappsite.azurewebsites.net</a>','channelId': '19:beb48ac89f9a4a329aa10e6e6da50905@thread.skype'}</p>
  
  <p>The unique identifier represents the application id, the entityId persisted using the setSettings function of the Teams SDK (1.2) from was set to "myAppTab".</p>