If true, the command is final and will not be merged with the previous command.
This is ideally set to tru when the user has finished editing the value like on pressing enter or pointer up.
Optional. The current before the change.
It can be set if known (but it should be exactly equal to the value in the binding and not cloned).
If not provided, it will be taken from the target object.
If true, the command is final and will not be merged with the previous command. This is ideally set to tru when the user has finished editing the value like on pressing enter or pointer up.