\addtocontents
\addtocontents{file}{text}
The \addtocontents command adds text (or formatting commands) directly
to the file that generates the table of contents or list of figures or
tables.
- file is the extension of the file on which information is to be
written: toc (table of contents), lof (list of figures), or lot
(list of tables).
- text is the information to be written.