You can create Our To Do app lets you create quick To Dos in Celoxis for yourself or create action items for other users. You need to initiate a Workflow of type "To Do". For details, click here.
...
A To
...
Do has only 2 states: Planned and Done. Once a To Do is created, it is in 'Planned' state
...
. Once the task is complete, the person assigned to it can mark it as 'Done'