Note: Now that Workflows are live in all accounts, you can do everything that Triggers and Campaigns do (and more!), all in one builder!
How to send internal notifications for workflows:
Set up a new workflow:
Click on Start from scratch
Click on Create workflow
Click on Add New Workflow Trigger
Once you configured the workflow trigger:
Click on Add your first Action
Click on Send Internal Notification
Choose the type of notification:
Email notification
Internal notification:
SMS notification