# VarianceAlert

URL: /code/ui/components/variance-alert · Id: `uiComponent:variance-alert`

> VarianceAlert raises one exception, a number off pace or outside its noise band, with its cause and owner where known.

VarianceAlert raises one exception, a number off pace or outside its noise band, with its cause and owner where known.

| Renderer | Draws |
| --- | --- |
| `web` | Web: rich interactive UI for humans. |
| `native` | Native: JSON for native clients on phone, watch, and TV. |
| `markdown` | Markdown: token-efficient text for agents. |

| Prop | Type | Required | Description |
| --- | --- | --- | --- |
| `metric` | [Metric](/business/nouns/metric) | Yes | The Metric that crossed its band. |
| `cause` | `text` | No | One sentence naming the cause. |