@deftypefun {gnutls_group_t} {gnutls_group_get} (gnutls_session_t @var{session})
@var{session}: is a @code{gnutls_session_t}  type.

Returns the currently used group for key exchange. Only valid
when using an elliptic curve or DH ciphersuite.

@strong{Returns:} the currently used group, a @code{gnutls_group_t} 
type.

@strong{Since:} 3.6.0
@end deftypefun