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

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.. _-mapRouteResultWithPF-:
mapRouteResultWithPF
====================
Signature
---------
.. includecode2:: /../../akka-http/src/main/scala/akka/http/scaladsl/server/directives/BasicDirectives.scala
:snippet: mapRouteResultWithPF
Description
-----------
Asynchronous variant of :ref:`mapRouteResultPF`.
Changes the message the inner route sends to the responder.
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: mapRouteResultWithPF-0