---
title: has_value
framework: ComputeGraph
role: symbol
role_heading: Instance Property
platforms: [iOS 27.0+, iPadOS 27.0+, macOS 27.0+, tvOS 27.0+, visionOS 27.0+]
path: computegraph/mouseparams/has_value
---

# has_value

Indicates whether valid mouse parameters are available.

## Declaration

```swift
var has_value: Bool
```

## Discussion

Discussion When false, the position and direction values should not be used.