.. _-withMaterializer-java-: withMaterializer ================ Description ----------- Allows running an inner route using an alternative ``Materializer`` in place of the default one. The materializer can be extracted in an inner route using :ref:`-extractMaterializer-java-` directly, or used by directives which internally extract the materializer without sufracing this fact in the API (e.g. responding with a Chunked entity). Example ------- .. includecode:: ../../../../code/docs/http/javadsl/server/directives/BasicDirectivesExamplesTest.java#withMaterializer