---
title: topology
framework: mattersupport
role: symbol
role_heading: Instance Property
path: mattersupport/matteradddevicerequest/topology-swift.property
---

# topology

A configuration object representing the topology of the initiating ecosystem.

## Declaration

```swift
var topology: MatterAddDeviceRequest.Topology
```

## See Also

### Setting up the request

- [MatterAddDeviceRequest.Home](mattersupport/matteradddevicerequest/home.md)
- [MatterAddDeviceRequest.Room](mattersupport/matteradddevicerequest/room.md)
- [MatterAddDeviceRequest.Topology](mattersupport/matteradddevicerequest/topology-swift.struct.md)
- [setupPayload](mattersupport/matteradddevicerequest/setuppayload.md)