You can start a project taskA unit of work or collection of work associated with a project. when you create it using the Started checkbox. You can also start an existing task:
The Actual Start Date & Time fields are set and points calculations are started. When you make progress through the project tasks and update the Points Complete and Status fields, the system rolls up the rest of the calculations.
To update a project task:
To mark a project task as completed:
Concept Information
Related Tasks
Creating a Project Task Hierarchy
Creating a Project Task on the New Project Task Page
Creating Preceding and Dependent Tasks
Assigning Resources to a Project Task
Reference Materials
Project Task Assignment Fields