---
title: value
framework: sensorkit
role: symbol
role_heading: Instance Property
path: sensorkit/srfacemetricsexpression/value
---

# value

The current position of the expression.

## Declaration

```swift
var value: Double { get }
```

## See Also

### Getting the expression identifier and analysis

- [identifier](sensorkit/srfacemetricsexpression/identifier.md)