Is it possible to trigger serial number for files considering the file path in the vault?

Is it possible to trigger serial number considering the file path in the vault?

For example i save sheetmeatl and solid parts in the vault. As they are SW part files they have same file extension ".sldprt". But my requirement is to have seperate serial number for sheetmetal parts and as well as for default part files.

Any workaround? 

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