Stream content is OFF by default. Activate content to send them out during engagement casts.
Activate Stream Content
1. Go to Marketing Activities.
2. Select your engagement program and click the Streams tab.
3. Hover over the content you want to activate, click the gear icon, then click Activate.
Emails must be approved in order to activate them.
You can also activate all content in a stream by clicking the gear icon at the top level, then clicking Activate all content.