Create a 600 by 600, two-second notification animation. Draw a purple bell with a rounded body, wide rim, top handle, and pale clapper. Group the bell pieces so they rotate together around the top of the bell. Ring from 0 to -12, 12, -8, 8, then 0 degrees in the first second. Fade in a small green notification dot at the upper right. Hold still after 1.2 seconds. Use native shapes and keyframes, show a preview, and export a project backup.