A notification animation is a short clip of phone notifications arriving on screen, one after another, the way they land on a real phone. Editors use it to show a story beat in a skit, a payment or a message coming in, a launch-day morning, or simply that someone's phone won't stop buzzing.
This maker draws its own generic cards: a colored tile with a letter or an emoji, the app name and the time, then a bold title and the message. Banner shows one at a time with the earlier ones tucked behind it, Stack piles each new one on top of the list, and Lock screen puts a large clock and date above them.
Keep the messages short. A notification reads at a glance, and a line or two holds attention better than four. Give each one a different tile color so viewers can tell them apart as they arrive.