Feedback 
You can use this function to send feedback to the person responsible for a document or folder. This person then receives a notification in his or her universal worklist.
Prerequisites
This function is only available if the feedback service is active for the repository. This setting is made by an administrator.
Features
Creating Feedback
All users with read permission for an object can create feedback for this object as long as they can see the command for creating feedback on the user interface.
Automatic Notification
As soon as someone creates feedback, the owner receives a notification in his or her universal worklist. If no person responsible is entered, the notification is sent to the person who created or last changed the item in question.
Note
You can define the person responsible for the item in the document properties. In the standard delivery, choose 
Settings 
Properties Miscellaneous 
from the Details dialog
box for the item in question.
Who Can Read Feedback?
You can display the feedback for an item in its Details dialog box.
If you have read permission for an item (document or folder), you can only see the feedback that you created yourself.
If you have write permission for an item, you can see the feedback created by all users. If a document is subject to an approval process, the feedback for the document in question can also be read by the approvers.
Note
To contact the user who created the feedback, click that user's name. The User Details iView is displayed.
Replying to Feedback
You can reply to feedback only if you have an e-mail specified for your user. Otherwise, the Reply option is not available on the user interface.
Deleting Feedback
You can delete feedback that you wrote yourself for the document in question.
You can delete the feedback of other people if you have fulfilled one or both of the following requirements:
You have write permissions for the item (document or folder).
You have service authorization Collaboration for the relevant folder. For more information, see Defining Service Permissions.