The value of tmnxBsxTListAttribSet specifies an attribute
set. All attributes using the same tmnxBsxTListName and
tmnxBsxTListAttribSet reference one item of a tagged list.
For example, a tmnxBsxTListAttribSet=1 can have 2 attributes
tmnxBsxTListAttribName = 'code' and tmnxBsxTListAttribName =
'description'. Both of these are attributes belonging to
a single item.