Here are the steps you need to follow to turn your cards into action items:

Step 1. Go to the card you want to turn into an action item and click on the 3 dots icon (ellipsis)

Final Step. Choose the option “Set as Action item”

To remove the action item on your card, here's what you need to do:

Step 1. Go to the card you want to remove the action item and click on the 3 dots icon (ellipsis).

Final Step. Choose the option “Remove Action item”