Closing the Microsoft Teams task module popup automatically - microsoft-teams

Question

We are trying out messaging extensions capability in our Microsoft Teams App that has a command which fetch dynamic set of parameters from the bot when invoked from the compose box.
When the user clicks the messaging extension our app receives payload type 'invoke' and name as 'composeExtension/fetchTask'
Our app process the data and in return it responds with a Adaptive card in task with 'type':'continue' and the Adaptive card is having a link to open URL as below
"task": {
"type": "continue",
"value": {
"card": {
"contentType": "application/vnd.microsoft.card.adaptive",
"content": {
"type": "AdaptiveCard",
"$schema": "http://adaptivecards.io/schemas/adaptive-card.json",
"version": "1.2",
"body": [{
"type": "ActionSet",
"actions": [{
"type": "Action.OpenUrl",
"title": "Open Facebook",
"url": <URL to open Facebook>
}],
}
]
}
}
}
}
MSTeams shows this card in a task module popup window. When the User click the Action button it open the Facebook page in a new browser tab but the task module popup window is not closed.
Is there anyway to close the task module popup window when the user clicks the Action button ?
Note : We are not using Bot Framework SDK and Microsoft Teams Javascript client SDK.

Answer 1

The only way I know of to do two things on one user action is by using a web based task module.
Do some simple layout with a button. In the click handler use window.open(, "_blank") and when that completes call the microsoftTeams.tasks.submitTask(...) method of the javascript SDK.

Answer 2

this might be late.
But the documentation is wrong try to call the submitTask(data) twice once with data and once without any params submitTask() to close the taskmodule.