Creating a new task
Use "Add new task" button to add an item to the board. Select a list where this task must belong to. The task creating form will appear. The fields for displaying on this form you can define in “Cards Setup” -> “Form” section of Kanban board.
Another ability to add task is the button on swimlane.
Click “+” button and type a task name. The task will be placed in the task and row where you have clicked “Add” button. You can edit this task fields later from the standard Kanban task edit form.