-   Retrieve API payload and send an emailStart this quickstart to create an integration to retrieve the number of page views from a public API, transform the data using data mapping, and send the resulting list in an email. 
-   Listen to Cloud Pub/Sub topic and send an emailStart this quickstart to create an integration with a Cloud Pub/Sub trigger to listen to a Cloud Pub/Sub topic, use data mapping to transform the Pub/Sub messages, and send an email. 
-   Invoke a sub-integration using a For Each Loop taskStart this quickstart to connect to create an integration that uses a For Each Loop task to invoke a sub-integration. 
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