code: def register(self, name, description, obj):
          
          return self.app.shared_objects.register(name, description, obj, self.plugin)
docs: Registers a new shared object.
  
          :param name: Unique name for shared object
          :type name: str
          :param description: Description of shared object
          :type description: str
          :param obj: The object, which shall be shared
          :type obj: any type