"Create Unique File" Action in Keyboard Maestro v10.0.1

[Zabobon]

@noisneil

I'm talking about the Write to a File action which can actually generate a new file from a clipboard. I mistakenly thought there might be a way, when creating a new file in this way, that it could look at the destination directory, see if there's already a file with the same name and, if so, add a number to the new file's name so it doesn't overwrite the existing one.

I'm wondering if @Nige_S's method here could be adapted to do this?