# Notification Stack

> A stacked notification feed that shows up to three messages at once, queues the rest, and lets each be dismissed individually — ported to React from SL UI Library's HTML/CSS/JS "stack feedback" component by SLtowl.

- Author: [sltowl](https://21st.dev/@sltowl)
- Library: SLtowl
- License: MIT
- Tags: Notification, Toast, Stack, Queue, Feedback
- Live preview: https://21st.dev/@sltowl/components/matte-stack-feedback

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/sltowl/matte-stack-feedback?api_key=$API_KEY_21ST"
```

Requires a 21st API key (generate one at https://21st.dev/mcp) passed as `API_KEY_21ST`. Free accounts get a limited number of installs per day; unlimited on a paid plan — see https://21st.dev/pricing.

Full component directory: https://21st.dev/llms.txt · More like this: https://21st.dev/community/components/s/notification.md