@deftypefun {int} {gnutls_x509_crt_set_issuer_unique_id} (gnutls_x509_crt_t @var{cert}, const void * @var{id}, size_t @var{id_size})
@var{cert}: a certificate of type @code{gnutls_x509_crt_t} 

@var{id}: The unique ID

@var{id_size}: Holds the size of the unique ID.

This function will set the X.509 certificate's issuer unique ID field.

@strong{Returns:} On success, @code{GNUTLS_E_SUCCESS}  (0) is returned, otherwise a
negative error value.

@strong{Since:} 3.4.7
@end deftypefun