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)
Step 2. Choose the option “Convert to action item”
Final Step. Fill in the required information and click on the "Finish" button
To remove the action item on your card, here's what you need to do:
Step 1. Go to the card you want to turn into an action item and click on the 3 dots icon (ellipsis)
Step 2. Choose the option “Action items details”
Final Step. Now click on "Convert back to text card"