You can schedule properties from your objects but you will have to add the properties (if they don't already exist) and manually update the value in each of your objects.
I was meaning to schedule the object parameters, but this will depend on your object and what parameters it has.
For an example see the attached image.
If your object doesn't have the parameters you want then yes you will need to use properties which can be added to the schedule in the same way except you want "Parameters and Properties" instead of "Library Part Parameters" when you "Add Fields".
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