Wire the lifecycle to a trigger with a 1 second delay, as well as to the first notification. Then copy the notification and trigger, and wire the first trigger to the second one, and to the second notification. Then repeat this until you’ve done all your notifications. (obviously, after copying the notifications, set the text to whatever you want.)
This is what it should look like:
The settings of every wire should be one of these, depending on what devices it connects:
Hope this helped! If it did, mark this as a solution by clicking this button on this post:
Also, note that this string technique can work with almost any device in the place of the notifications, from activating a line of sentries to teleporting you forward for a zipline or dropper or many other things!