In build drop in a table viewer, a sas data set model on the viewer.

Right click and select properties
set the model data attribute .table to sashelp.class
set the model data attribute .modelSCLentry to work.foo.model.scl

right click on viewer
Table->Edit Scl...

init:
  if name = 'Jane' then do;
    do i = 1 to dim(self.columns);
      columnName = self.columns[i].columnName;
      self._setViewerAttribute
      ( columnName
      , 'bcolor'
      , 'yellow'
      );
    end;
  end;
return;

compile, end and testaf