title: How to know if the user has blocked the bot in Teams
body: <p>I have created a bot using Bot framework V4 and hosted in Teams.</p>
  <p>My bot is available for all the users in the organization.</p>
  <p>I want to know if someone blocked the bot.</p>
  <p>Is there any API or any event from the bot to know the user ID if the Bot has been blocked?</p>
  <p>Thanks in Advance</p>