---
title: floorNumber
framework: nearbyinteraction
role: symbol
role_heading: Instance Property
path: nearbyinteraction/nidltdoameasurement/floorelevation-swift.class/floornumber
---

# floorNumber

The floor number on which the anchor resides.

## Declaration

```swift
var floorNumber: Int { get }
```

## Discussion

Discussion This property indicates the floor that the DL-TDOA anchor is on. Negative values represent floors below ground level. Use this property in combination with height to determine the precise vertical position of the anchor within a floor, for deployments in buildings that have multiple floors.

## See Also

### Accessing floor elevation components

- [height](nearbyinteraction/nidltdoameasurement/floorelevation-swift.class/height.md)