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# CMCalibratedMagneticField

Calibrated magnetic field data and an estimate of the accuracy of the calibration.

```
struct CMCalibratedMagneticField
```

## Topics

### Initializers

[`init()`](/documentation/CoreMotion/CMCalibratedMagneticField/init())

Initializes the magnetic field to a set of default values.

[`init(field:accuracy:)`](/documentation/CoreMotion/CMCalibratedMagneticField/init(field:accuracy:))

Initializes the magnetic field to the specified set of values.

### Accessing the Field Values

[`field`](/documentation/CoreMotion/CMCalibratedMagneticField/field)

A structure containing 3-axis calibrated magnetic field data. See the description of the [`CMMagneticField`](/documentation/CoreMotion/CMMagneticField) structure.

[`accuracy`](/documentation/CoreMotion/CMCalibratedMagneticField/accuracy)

An enum-constant value that indicates the accuracy of the magnetic field estimate. See [`CMMagneticFieldCalibrationAccuracy`](/documentation/CoreMotion/CMMagneticFieldCalibrationAccuracy).

## Relationships

### Conforms To

[`Sendable`](/documentation/Swift/Sendable)

[`BitwiseCopyable`](/documentation/Swift/BitwiseCopyable)

---

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