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163 bytes added ,  13:29, 11 July 2019
=Conventions=
* The module will be available if the {{Code|basex-api}} package must be included library is found in the classpath. This is always the case if you use one of the complete distributions of BaseX (zip, exe, war) of BaseX.* All functions and errors are assigned to the <code><nowiki>http://basex.org/modules/session</nowiki></code> namespace, which is statically bound to the {{Code|session}} prefix. The Prior to {{Version|9.2}}, the module must needed to be imported in the query prolog:
<pre class="brush:xquery">
import module namespace session = "http://basex.org/modules/session";
</pre>
* If any of the functions is called outside the servlet context, <code>[[XQuery Errors#BaseX Errors|basex:http]]</code> is raised.
* As sessions are side-effecting operations, all functions are flagged as ''non-deterministic''. As a result, the functions some query optimizations will not be reordered by the compilersuppressed.
=Functions=
|-
| '''Summary'''
|Returns the names of all variables attributes bound to the current session.
|-
| '''Examples'''
==session:get==
 
{{Mark|Updated with Version 9.3:}} Values that have no XQuery type will be returned as strings.
{| width='100%'
|-
| '''Summary'''
|Returns the value of a session attribute with the specified <code>$name</code> bound to the current session. If the specified variable attribute is unknown, an empty sequence or the optionally specified {{Code|$default}} value is will be returned instead.|-| '''Errors'''|{{Error|get|#Errors}} the value of a session variable could not be retrieved.
|-
| '''Examples'''
! width="110" |Code
|Description
|-
|{{Code|get}}
|The stored attribute is no XQuery value.
|-
|{{Code|set}}
=Changelog=
 
;Version 9.3
 
* Updated: [[#session:get|session:get]]: Values that have no XQuery type will be returned as strings.
;Version 9.0
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