It would be advantageous, yes. Then we could simply look for the bookmarks.
Look at the Ask & Fill-In Field Tutorial because Ask Fields act a bit differently than Fill-In Fields.

Which would you want in the file name?

I will assume bookmarks named:
Invoice and Name.


You should look into creating a UserForm to gather the information and use it.
A UserForm is a custom dialog box that can gather information and choices and then use that appropriately in a document.

• Create a Simple Userform by Graham Mayor, MVP
• Create & Employ a Userform by Greg Maxey

These could also use Bookmarks.