Once a task you want to complete appears in the task list, you can claim the task. You can only complete tasks you have claimed, and you can claim and complete the task at the same time that you claim it.
In the task list, select the task you want to claim.
The page changes to show the task information.
The page you see may be different from the image below, depending on how the Worklist Module project was implemented.
Click Claim.
Additional information for the task appears on the page, the Claimed By property changes to your user name, and the task status changes to Claimed.
Do one of the following:
To modify the task output without completing the task, make the necessary changes and then click Save.
Any changes you made to the output are saved.
To complete the task, make the necessary changes to the task output and then click Save and Complete.
The status for the task changed the Completed.
If you do not want to claim the task after all, click Revoke.
The Claimed By property is cleared and the task status changes back to Assigned.