Targeting Macro

[MiRai]

The command hasn't changed, but if your characters have almost identical names you can expect to run into issues.

[JohnGabriel]

As MiRai mentioned, If you have toons named like:

Cat
Cat1
CatTwo
CatEtc

Then doing any sort of target or assist on Cat will just pick whichever of the above toons is closest.