This attribute indicates whether
a. just the name,
b. all the associated attributes (including the name), or 
c. the associated attributes and relationship pointers
are to be returned for each instance.

If include is "NAME" then just the name of each object instance is returned, if include is "ATTRS" all the associated attributes (including the name) for each instance are returned, and if include is "FULL" then the associated attributes (including the name) and the relationship pointers are returned for each instance.

Readable by Requesting OS? No
Writeable by Requesting OS? Yes
Invariant? Yes
