Property Editor - Geometry - Custom - Add Custom Property

It would be nice to have in "Application preferences" the possibility to predefine a couple Custom Property Names.
Right now I use the Custom Property function to add a DIN and the Material info to every Block. This project has a lot of DIN parts and I have to type again and again the names DIN ... Material ... DIN ... Material ... DIN ... Material ... DIN ... Material ... DIN ... Material ... you got my point ;-)

If I have predefined Names - I have just to fill out the value :-)