What is a to-do list?
A to-do list the backbone of your project management. Within a project, you can create several to-do list to host your project tasks. To-do lists can also be tagged with milestones so that you can check progress.
Creating and editing a to-do list
Go to Project manager → Projects → Create a project or click on an existing project → To-do lists tab.
Adding tasks to a to-do list
Now simply click on Add a To-do. Choose a start and due/end date for the task. Tag co-workers if required. You can also comment on a task to discuss right there. Each task also supports attaching files, you that you can host files when ever needed.
Adding sub-tasks to a task (add-on required)
After you have added a task, you can click on the add sub-task button. Add the details and done.
Here is a short video showing how to add the first to-do to your list and adding a sub-task.