.. _HeaderDirectives:

HeaderDirectives
================

Header directives can be used to extract header values from the request. To change
response headers use one of the :ref:`RespondWithDirectives`.

.. toctree::
   :maxdepth: 1

   headerValue
   headerValueByName
   headerValueByType
   headerValuePF
   optionalHeaderValue
   optionalHeaderValueByName
   optionalHeaderValueByType
   optionalHeaderValuePF