# tPubSubInput

Connects to the Google Cloud PubSub service that transmits messages to the components that run transformations over these messages.

### In this section

* [tPubSubInput properties for Apache Spark Streaming (deprecated)](https://help.qlik.com/talend/en-US/components/8.0/google-pubsub/tpubsubinput-properties-for-apache-spark-streaming)
* [tPubSubInput properties for Apache Spark Structured Streaming](https://help.qlik.com/talend/en-US/components/8.0/google-pubsub/tpubsubinput-properties-for-apache-spark-structured-streaming)