---
name: "waybar-sndio"
section: "5"
platform: "linux"
package: "waybar"
version: "0.15.0-3"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/waybar-sndio"
---

# waybar-sndio(5)

sndio module

## NAME

waybar - sndio module

## DESCRIPTION

The **sndio** module displays the current volume reported by [sndio(7)](/sndio/7.md).

Additionally, you can control the volume by scrolling **up** or **down** while the cursor is over the module, and clicking on the module toggles mute.

## CONFIGURATION

**format**: \
 typeof: string  \
 default: {volume}% \
 The format for how information should be displayed.

**rotate**: \
 typeof: integer \
 Positive value to rotate the text label (in 90 degree increments).

**max-length**: \
 typeof: integer \
 The maximum length in character the module should display.

**min-length**: \
 typeof: integer \
 The minimum length in characters the module should accept.

**align**: \
 typeof: float \
 The alignment of the label within the module, where 0 is left-aligned and 1 is right-aligned. If the module is rotated, it will follow the flow of the text.

**justify**: \
 typeof: string \
 The alignment of the text within the module's label, allowing options 'left', 'right', or 'center' to define the positioning.

**scroll-step**: \
 typeof: int \
 default: 5 \
 The speed at which to change the volume when scrolling.

**on-click**: \
 typeof: string \
 Command to execute when clicked on the module.

This replaces the default behaviour of toggling mute.

**on-click-middle**: \
 typeof: string \
 Command to execute when middle-clicked on the module using mousewheel.

**on-click-right**: \
 typeof: string \
 Command to execute when you right-click on the module.

**on-update**: \
 typeof: string \
 Command to execute when the module is updated.

**on-scroll-up**: \
 typeof: string \
 Command to execute when scrolling up on the module. \
 This replaces the default behaviour of volume control.

**on-scroll-down**: \
 typeof: string \
 Command to execute when scrolling down on the module. \
 This replaces the default behaviour of volume control.

**smooth-scrolling-threshold**: \
 typeof: double \
 Threshold to be used when scrolling.

**menu**: \
 typeof: string \
 Action that popups the menu.

**menu-file**: \
 typeof: string \
 Location of the menu descriptor file. There need to be an element of type

GtkMenu with id **menu**

**menu-actions**: \
 typeof: array \
 The actions corresponding to the buttons of the menu.

**expand**: \
 typeof: bool \
 default: false \
 Enables this module to consume all left over space dynamically.

## FORMAT REPLACEMENTS

**{volume}**: Volume in percentage.

**{raw\_value}**: Volume as value reported by sndio.

## EXAMPLES

```
"sndio": {
	"format": "{raw_value} 🎜",
	"scroll-step": 3
}
```

## STYLE

- •

  **#sndio**

- •

  **#sndio.muted**