.. _-parameterMultiMap-:

parameterMultiMap
=================

Signature
---------

.. includecode2:: /../../akka-http/src/main/scala/akka/http/scaladsl/server/directives/ParameterDirectives.scala
   :snippet: parameterMultiMap

Description
-----------

Extracts all parameters at once as a multi-map of type ``Map[String, List[String]`` mapping
a parameter name to a list of all its values.

This directive can be used if parameters can occur several times.

The order of values is *not* specified.

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

Example
-------

.. includecode2:: ../../../../code/docs/http/scaladsl/server/directives/ParameterDirectivesExamplesSpec.scala
   :snippet: parameterMultiMap