2019-09-05 16:08:37 +02:00
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# Sink.fromMaterializer
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Defer the creation of a `Sink` until materialization and access `Materializer` and `Attributes`
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@ref[Sink operators](../index.md#sink-operators)
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@@@ div { .group-scala }
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## Signature
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@@signature [Sink.scala](/akka-stream/src/main/scala/akka/stream/scaladsl/Sink.scala) { #fromMaterializer }
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2020-04-27 16:40:57 +02:00
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2019-09-05 16:08:37 +02:00
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@@@
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## Description
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Typically used when access to materializer is needed to run a different stream during the construction of a sink.
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Can also be used to access the underlying `ActorSystem` from `Materializer`.
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