pekko/akka-docs-dev/rst/scala/http/routing-dsl/directives/basic-directives/mapRouteResult.rst

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.. _-mapRouteResult-:
mapRouteResult
==============
Changes the message the inner route sends to the responder.
Signature
---------
.. includecode2:: /../../akka-http-scala/src/main/scala/akka/http/scaladsl/server/directives/BasicDirectives.scala
:snippet: mapRouteResult
Description
-----------
The ``mapRouteResult`` directive is used as a building block for :ref:`Custom Directives` to transform the
:ref:`RouteResult` coming back from the inner route.
See :ref:`Result Transformation Directives` for similar directives.
Example
-------
... includecode2:: ../../../../code/docs/http/scaladsl/server/directives/BasicDirectivesExamplesSpec.scala
:snippet: 0mapRouteResult