Adding default value for a bit column

Thank you for this wonderful tool. I have found it very easy and intuitive to use. I am adding a bit column to my table, and I would like it to be NOT NULL DEFAULT 0 (or default false). I cannot figure out how to do this through the Heidi UI. Would you be able to help? What should I enter in the custom text field? Or is there a different way?

Hi,

I don't know if this is up to date, but maybe it will help people learning with this tool in the future. It helped me to enter: