Change the title of an NSService menu item at runtime.

I'm working on an applications that provides a service. The items for the services menu are hard coded in the Info.plist file under the NSService key.
Everything works as expected except that I would like to change the titles of the menu items if a certain condition changes in my application.

Is there a way/API to achieve this?
Change the title of an NSService menu item at runtime.
 
 
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