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:documentationPath: /plugins/transforms/
:language: en_US
:page-alternativeEditUrl: https://github.com/apache/incubator-hop/edit/master/plugins/engines/beam/src/main/doc/beamsubscriber.adoc
= Beam GCP Pub/Sub : Subscribe

== Description

The Beam GCP Pub/Sub : Subscribe transform gets messages from a link:https://cloud.google.com/pubsub[Google Cloud Pub/Sub] topic using a subscription with the Beam execution engine.

== Options

[width="90%", options="header"]
|===
|Option|Description
|Transform name|Name of the transform, this name has to be unique in a single pipeline.
|Subscription name|Name of the Google Cloud Pub/Sub subscription.
|Topic to subscribe to|The Google Cloud Pub/Sub topic.
|The type of message to read a|
 
* String
* PubsubMessage
|The output field name|The field containing the result message.
|===