+ <citerefentry project='man-pages'><refentrytitle>free</refentrytitle><manvolnum>3</manvolnum></citerefentry>
+ call after use.</para>
+
+ <para><function>sd_session_get_desktop()</function> may
+ be used to determine the brand of the desktop running on
+ the session identified by the specified session identifier.
+ This field can be set freely by desktop environments and
+ does not follow any special formatting. However, desktops
+ are strongly recommended to use the same identifiers and
+ capitalization as for
+ <varname>$XDG_CURRENT_DESKTOP</varname>, as defined by
+ the <ulink
+ url="http://standards.freedesktop.org/desktop-entry-spec/latest/">Desktop
+ Entry
+ Specification</ulink>. The returned string needs to be
+ freed with the libc
+ <citerefentry project='man-pages'><refentrytitle>free</refentrytitle><manvolnum>3</manvolnum></citerefentry>