2018-04-18 10:26:53 +02:00
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# fromFuture
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Send the single value of the `Future` when it completes and there is demand.
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2018-04-18 11:44:37 +02:00
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@ref[Source stages](../index.md#source-stages)
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@@@div { .group-scala }
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2018-04-18 10:26:53 +02:00
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## Signature
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2018-04-18 11:44:37 +02:00
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@@signature [Source.scala]($akka$/akka-stream/src/main/scala/akka/stream/scaladsl/Source.scala) { #fromFuture }
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@@@
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2018-04-18 10:26:53 +02:00
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## Description
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Send the single value of the `Future` when it completes and there is demand.
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If the future fails the stream is failed with that exception.
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@@@div { .callout }
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**emits** the future completes
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**completes** after the future has completed
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@@@
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