This feature lets you modify an object. It is one of the actions found on the largest number of screens.
favourites :
Allows you to change the name of a favorite or a group of favourites.
Entering activities :
This button allows the manager or resource manager to modify an activity entry sheet in status Submitted.
The status of the timesheet (top left) changes from Submitted Ă Draft (after registration)
Rights required : 
Modifying a submitted timesheet
Exchanges
This button is used to modify a previously created exchange .
Rights required : Modifying an exchange or Modify your exchange
Accesses the task modification form
This button appears in the 
Rights required : Modify a task or View and modify your tasks (sender, assigned, participant)
This button allows you to modifyexchange task for the project.
Rights required :
portfolio scenario
This button is used to modify the project framework: budget or resource constraints, scenario name... Not all frame fields can be modified. You'll need to create a new scenario to change the list of candidate projects, the code or the attributes.