.. _-mapRouteResult-:

mapRouteResult
================

Changes the message the inner route sends to the responder.

Signature
---------

.. includecode2:: /../../akka-http/src/main/scala/akka/http/server/directives/BasicDirectives.scala
   :snippet: mapRouteResult

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

The ``mapRouteResult`` directive is used as a building block for :ref:`Custom Directives` to transform what
the inner route sends to the responder (see :ref:`The Responder Chain`).

See :ref:`Result Transformation Directives` for similar directives.

Example
-------

.. includecode2:: ../../../code/docs/http/server/directives/BasicDirectivesExamplesSpec.scala
   :snippet: 0mapRouteResult