[Read/Write] This property indicates the default write-back mode for mapped variables.
This property was introduced with the release of HotDocs 2005 SP2.
HotDocs.HDMappingBackfill DefaultBackfill [ set, get ]
It can be any value from the HDMappingBackfill enumeration:
If the value of this property is DoNotAllow, the write-back mode cannot be changed in the mapping interface.