Using a Vlookup in VBA for your macros isn’t as straight forward as you would think. The trick is that Vlookup is a worksheet function that you need to reference using the Application variable in VBA, when you code your macro.
Note: If you’re looking for something similar for Access VBA, it’s called Dlookup.
There are a couple ways of calling up a vlookup in a macro, both should work.
Application.VLookup(Range("A3"), Range("A3:B9"), 2, False)
Application.WorksheetFunction.VLookup(Range("A3"), Range("A3:B9"), 2, False)