@deftypefun {void} {gnutls_db_set_cache_expiration} (gnutls_session_t @var{session}, int @var{seconds})
@var{session}: is a @code{gnutls_session_t}  type.

@var{seconds}: is the number of seconds.

Set the expiration time for resumed sessions. The default is 21600
(6 hours) at the time of writing.

The maximum value that can be set using this function is 604800
(7 days).
@end deftypefun