Hi Brian, You can update files from the data cards, and when you check those files in, the properties will be written to the files.
If you want to get the properties into the files BEFORE you move them into the vault, we have a product called Middleware, which allows you to update files in bulk with custom properties using the MS Excel interface.
See this video I did for more info: IC3D Middleware for SolidWorks - Manage your data with ease! - YouTube
If you are just looking at project type information you could add the information to the folder card and pass all those variables into all the files in the folder. Modify>Update>Values in Files...
That might get the basic information filled out for you.
There is a bult in function for transfereing folder metadata to file metadata.
For this to work you must have used the same variables on the folder datacard as the file datacard.
First check out the files you want to update...
So right click on the folder in the folder three where the files are located and choose "update values in files".
Metadata on the folder card
Meta data transferred for part file
Meta data transferred for drawing