.. _-parameter-java-:

parameter
=========
Extracts a *query* parameter value from the request.

Description
-----------
See :ref:`-parameter-java-` for a detailed description of this directive.

See :ref:`which-parameter-directive-java` to understand when to use which directive.

Example
-------

.. includecode:: ../../../../code/docs/http/javadsl/server/directives/ParameterDirectivesExamplesTest.java#parameter