To create a thread,
- Hover over the message you'd like to reply to.
- Click the kebab icon
- Select Reply in thread.
- Type your reply. Check the Also send to channel box below your message if you want to send your response back to the channel.
- Click Send.
{% hint style="info" %}
You can also click the 
thread icon to create a thread when you hover over a message.
{% endhint %}
To close a thread,
- Click the
close icon on the thread header.
