If the line type of an internal table contains object reference variables in the form of the component
comp, the attributes attr
of the object (to which each reference of the line points), can be used as key values for reading, sorting, and changing lines in tables. This option can be used in the following statements:
If a table contains unstructured lines with the type of a object reference variable, the attributes of the object, to which a line points, can be addressed using table_line->attr .