Adding a suffix to the end of SolidWorks file name. Macro... Custom Property?

Hello,

I seen the post earlier to day...

File name into custom property with a slight edit...  

and this is something like, I've been trying to figure out for a while now.

That is to add our Detail number to our SW file name.

This is a big issue for us and any help is greatly appreciated!

Thank you.

See note below.

"Oops,, At the end of the last sentence it should say.. detail # 101

SolidworksApi macros