In this example, we will use the default settings for the Dropout Conditions. All three options (Acknowledged, Cleared, and Shelved) will remain checked.
Drag in the Notification Block in to your pipeline, and connect the Start to the IN handle of the Notification block. You will need to set up your Notification block, but you can see more about that on the Notification Block page. This will cause the pipeline to notify immediately then move on.
Drag a Delay block onto the pipeline and set the Delay (sec) property. We will chose 300 seconds (5 minutes).
Connect the two blocks by dragging from the OUT handle of the Notification block to the Delay block.
Now create a second connection by dragging from the OUT handle of the Delay block to the Notification block.
Now you have a pipeline that will notify immediately, wait 5 minutes, then notify again, and repeat until one of the dropout conditions is met.
You can use this technique with escalation to notify five times then change to another pipeline.