---
title: "updateValue(_:)"
framework: accessibility
role: symbol
role_heading: Type Method
path: "accessibility/axliveaudiograph/updatevalue(_:)"
---

# updateValue(_:)

Sets the pitch of the audio graph’s tone.

## Declaration

```swift
class func updateValue(_ value: Double)
```

## Parameters

- `value`: A normalized value in the range [0.0, 1.0], where 0.0 represents the minimum displayable y-axis value for your data series, and 1.0 represents the maximum displayable y-axis value for your data series.