Reference a data source in a view

Hi,

I need to reference a data source in a view, how do I do that?

I have a view customView. The view customView has a datasource customTable1, customTable2. I need to leverage the system function orig() like we can do it with tables. But I cannot use customTable1.orig(), I need something like customView.DataSource(customTable1).orig()

How can I achieve this?