.. _key:

===
key
=== 

Return the nodes that have a specified key

Description
~~~~~~~~~~~
The fn:key function returns the nodes with a particular key. It is similar to 
calling the fn:id function except using keys instead of IDs. Note: this is an 
XSLT-only function; it is not available in XQuery or XPath.

.. list-table::
   :widths: 40 60
   :header-rows: 1

   * - **Parameters**
     - **Description**
   * - key-name:string()
     - 
   * - key-value:string()
     - 
   * - top:node()
     - 

See Also
~~~~~~~~

.. toctree::
   :titlesonly:
   :glob:

* :ref:`id`.