# Google PubSub components

| [tPubSubInput](https://help.qlik.com/talend/r/en-US/7.3/components/google-pubsub/tpubsubinput) | Connects to the Google Cloud PubSub service that transmits messages to the<br>components that run transformations over these messages. |
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| [tPubSubInputAvro](https://help.qlik.com/talend/r/en-US/7.3/components/google-pubsub/tpubsubinputavro) | Connects to Google Cloud Pub/Sub to receive messages in the Avro format for the<br>components that run transformations over these messages. |
| [tPubSubOutput](https://help.qlik.com/talend/r/en-US/7.3/components/google-pubsub/tpubsuboutput) | Receives messages serialized into byte arrays by its preceding component and issues<br>these messages into a given PubSub service. |