---
title: NIDLTDOAMeasurementType
framework: nearbyinteraction
role: symbol
role_heading: Enumeration
path: nearbyinteraction/nidltdoameasurementtype
---

# NIDLTDOAMeasurementType

The possible phases of downlink positioning signals.

## Declaration

```swift
enum NIDLTDOAMeasurementType
```

## Overview

Overview The NIDLTDOAMeasurement class measurementType property is of this type.

## Topics

### Identifying the measurement type

- [NIDLTDOAMeasurementType.poll](nearbyinteraction/nidltdoameasurementtype/poll.md)
- [NIDLTDOAMeasurementType.response](nearbyinteraction/nidltdoameasurementtype/response.md)
- [NIDLTDOAMeasurementType.final](nearbyinteraction/nidltdoameasurementtype/final.md)

### Creating a measurement type

- [init(rawValue:)](nearbyinteraction/nidltdoameasurementtype/init(rawvalue:).md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Measurements

- [NIDLTDOAMeasurement](nearbyinteraction/nidltdoameasurement.md)
- [NIDLTDOACoordinatesType](nearbyinteraction/nidltdoacoordinatestype.md)