add_action( 'gform_user_registered', 'vc_gf_registration_autologin',  10, 4 );
function vc_gf_registration_autologin( $user_id, $user_config, $entry, $password ) {
    $user = get_userdata( $user_id );
    $user_login = $user->user_login;
    $user_password = $password;

    wp_signon( array(
        'user_login' => $user_login,
        'user_password' =>  $user_password,
        'remember' => false

    ) );

    if( function_exists( 'wp_fusion' ) ) {
        wp_fusion()->user->get_tags( $user_id );
    }
}