To change the assignee on a subaction:
- Open the "action"
- Hover over the subaction you want to change
- Click the square symbol. It should open a drop down with a list of your team members.
- Select the person you want to assign the subaction to
To change the subaction title:
- Open the "action"
- Hover over title and a pencil should appear
- Click the pencil and type the new name for the subaction
- Press 'Save changes"
See it in action below: