@deftypefun {int} {gnutls_pkcs12_bag_set_data} (gnutls_pkcs12_bag_t @var{bag}, gnutls_pkcs12_bag_type_t @var{type}, const gnutls_datum_t * @var{data})
@var{bag}: The bag
@var{type}: The data's type
@var{data}: the data to be copied.
This function will insert the given data of the given type into
the bag.
@strong{Returns:} the index of the added bag on success, or a negative
value on error.
@end deftypefun