For a description of the functionality offered by the OAL please consult the OAL User Documentation.
followed by a statement
\externalref{oal:user}
in the file taskname_description.tex. The
externalref
command
produces a cross reference to the relevant documentation in the
OAL package. For this to work, in addition,
the file taskname.tex must contain a statement
\externallabels{.../oal/doc/oal}{.../oal/doc/oal/labels.pl}
where ... must be replaced by the relative path from the directory containing the task's HTML documentation to the SAS top-level package directory (usually ../../..).