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metamask-extension/ui/components/component-library/help-text/README.mdx

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import { Story, Canvas, ArgsTable } from '@storybook/addon-docs';
import { Text } from '..';
import { HelpText } from './help-text';
# HelpText
The `HelpText` is used as feedback text under a form field including error, success, warning or info messages
<Canvas>
<Story id="components-componentlibrary-helptext--default-story" />
</Canvas>
## Props
The `HelpText` accepts all props below as well as all [Box](/docs/components-ui-box--default-story#props) component props
<ArgsTable of={HelpText} />
`HelpText` accepts all [Text](/docs/components-componentlibrary-text--default-story#props) component props
<ArgsTable of={Text} />
### Children
`HelpText` renders as a `<p>` tag if the child is a `string` or a `<div>` if the child is an `object`.
```jsx
import { Size, IconColor } from '../../../helpers/constants/design-system';
import { HelpText, Icon, IconName, IconSize } from '../../component-library';
<HelpText>Plain text</HelpText> // renders as <p>Plain text</p>
<HelpText>
<span>Text and icon</span>
<Icon
marginLeft={1}
color={IconColor.iconAlternative}
name={IconName.Warning}
size={IconSize.Inherit}
/>
</HelpText> // renders as <div><span>Text and icon</span> <div style={{background: icon/warning.svg}} /></div>
```
### Severity
Use the `severity` prop and `SEVERITIES` object to change the severity of the `HelpText`
<Canvas>
<Story id="components-componentlibrary-helptext--severity-story" />
</Canvas>
```jsx
import { SEVERITIES } from '../../../helpers/constants/design-system';
import { HelpText } from '../../component-library';
<HelpText>HelpText without severity prop</HelpText>
<HelpText severity={SEVERITIES.DANGER}>
HelpText with severity: SEVERITY.DANGER
</HelpText>
<HelpText severity={SEVERITIES.SUCCESS}>
HelpText with severity: SEVERITY.SUCCESS
</HelpText>
<HelpText severity={SEVERITIES.WARNING}>
HelpText with severity: SEVERITY.WARNING
</HelpText>
<HelpText severity={SEVERITIES.INFO}>
HelpText with severity: SEVERITY.INFO
</HelpText>
```
### Color
It may be useful to change the color of the `HelpText`. Use the `color` prop and the `Color` object to change the color of the `HelpText`. Defaults to `Color.textDefault`.
<Canvas>
<Story id="components-componentlibrary-helptext--color-story" />
</Canvas>
```jsx
import { Color } from '../../../helpers/constants/design-system';
import { HelpText } from '../../component-library';
<HelpText color={TextColor.textDefault}>
This HelpText default color is TextColor.textDefault
</HelpText>
<HelpText color={TextColor.textAlternative}>
This HelpText color is TextColor.textAlternative
</HelpText>
<HelpText color={TextColor.textMuted}>
This HelpText color is TextColor.textMuted
</HelpText>
```