Command entry: Track View
Highlight a controller track in the Controller window.
Controller menu
Make Controller Unique
Make Controller Unique converts an instanced clone of a controller to a copy that's unique to the current object. Objects and modifiers can also be made unique.
The result depends on whether or not the data flow branches at the selected container:
All the Controller tools can also be found on the Controllers: Track View toolbar which is hidden by default. Right-click
any blank area of the Track View toolbar, then choose Show Toolbars
Controllers: Track View to display the buttons for Assign, Copy, Paste. Delete Controller and Make Controller Unique.
To convert an instanced controller to a unique one: