Github user necouchman commented on a diff in the pull request:
https://github.com/apache/guacamole-manual/pull/90#discussion_r200819058
--- Diff: src/chapters/configuring.xml ---
@@ -4033,6 +4033,17 @@ guaclog: INFO: All files interpreted
successfully.</computeroutput>
time that the connection began.</para>
</listitem>
</varlistentry>
+ <varlistentry>
+
<term><varname>${GUAC_ATTR_<replaceable>CUSTOM_ATTRIBUTE_NAME</replaceable>}</varname></term>
+ <listitem>
+ <para>An attribute value specified on the current
Guacamole user.
+
<replaceable>CUSTOM_ATTRIBUTE_NAME</replaceable> is a custom
+ user attribute that may be obtained from any
of the authentication
+ modules that implement the feature. There are
an arbitrary
+ number of these tokens. If no attributes are
specified
+ then this token does not exist.</para>
--- End diff --
Might be good to add an example, here - as it is, this is a little vague.
It's hard, because it needs to be generic, but also should give the user some
idea of what might be available here - name, e-mail address, etc.
---