[Prefix] (none) [Value] Value of property (Property) table. [Symbol type] 
Installer property
I n s t a l l e r p r o p e r t y
E n v i r o n m e n t v a r i a b l e
C o m p o n e n t t a b l e k e y
F e a t u r e t a b l e k e y