How can parts be placed programmatically and then modified afterwards?

Is it possible to place a part at an x,y coordinate and then get a reference to that part so it can be subsequently modified (set refdes, etc, for example using SetEffectivePropStringValue)?

There is the Capture Command "PlacePart"

PlacePart(x, y, libName, pkgName, device, boolvalue6)

But it doesn't return a reference to the part, so I cant further operate on the part programmatically. Is there a database command alternative that returns a reference (I thought maybe in DboSchematic or DboPlacedInst, but I couldnt find anything that seemed right.)

I have seen a solution generated by AI, which places a part using "Place Part", and then iterates through all parts in the design, and compares their x,y coordinates with the values used in the "PlacePart" call, and returns the best match, but that seems like a ridiculous effort, especially if I want to place hundreds of parts, and the existing schematic also has many hundreds of existing parts that all have to be looped through each time I place a new part.

Specifically, I have an existing design with ~100 test point symbols.  I want to find each of these test point symbols, and place a pogo pin symbol nearby whose refdes is based on the existing test point's refdes (i.e. pogo P101 for the test point TP101).  I cant figure out a good way to do this without the above functionality.