How do I use the I'm done button? 

When you finish your assignment, to indicate that you've completed it - click the completion button (I'm done) on the My assignments screen. This causes the task to disappear from the Active tab.

However, if you have been working on the task along with other assignees, and they have still not unfinished their work on the task, it will not get the completed status until the last of the assignees clicks I'm done in the task details.

If you click I'm done in the Activity Center grid you will see such tasks greyed- and crossed-out - .

I'm done

To mark your work on a task as done, hover over the assignment name and click the checkmark on the left. On clicking the checkmark, the task will disappear from the Active tab.

Completing an activity with two or more assignees

An activity will close when the last of its assignees click I'm done.

For example:

Since the task is active, they both will have it on their In Progress tab, My Assignments.

As user X finishes his part, he clicks 'I'm done'. This will have a three-fold effects:

• The task disappears from user X's My Assignments page.
• In Design Website task's details, in Assignees section, user X will have the 'work is done' checkbox selected automatically.
• The task's status will not change.

User Y will, as before, have the task on his My Assignments page, and the task will not get Completed status until user Y clicks 'I'm done'.