3ddf5827_Reference_Guide__Required
[Option] xmlconfigFile [Description] User may define a XML configuration file to add extensions to GFac installation. This property to refer to a such configuration file. A same file is given below. Each class name must refer to a class that implements DynamicExtension or StaticExtension class and type should be either "dynamic" or "static". [Required] 
Optional, if not specified file gfac.xml file will be loaded from gfac jar, which will load LEAD configurations.
Reference Guide
Required