Part properties

Hi,

I hew now SW 2014 and i am interested how can i change standard value/text expression in properties with my own that are linked to my own property name, and if they work if i save them as templates?

I work only i sheet metal and tray to automatic combine all properties like mass,width,length,thickness...

I Will upgrade to SW 2016 SP1 and do not know will i have problems in that area...

SolidworksDrawings And Detailing