colTitle
Defines the title that appears at the top of a column in a list.
Content model
id (optional) then ref (optional) then ctx (optional) then style (any number) then cspan (optional) then rspan (optional) then hdr (optional) then hdrs (optional) then drillAction (any number) then item (any number) then annURL (optional) then isFirstCell (optional) then extension (optional)