Comments on a task show up on the task details page in the To-do Dashboard.
To leave a comment on a task from Slack, you can use the message threads to respond to any of the task notifications from todobot.
Important: The notification about the task must be from todobot
1. Click on the todobot direct message on the left hand side of Slack menu, under Direct Messages
2. Find the task that you want to make a comment on and hover over the task. You will see four icons appear on the right hand corner.
Click on the 2nd icon, and it will say "Reply to thread"
Note: You must be in the direct message with todobot
3. Type the comment that you want to appear on the task and press enter.
The comment will automatically show up in the task details page of the To-do Dashboard