---
title: "init(peerToken:)"
framework: nearbyinteraction
role: symbol
role_heading: Initializer
path: "nearbyinteraction/ninearbypeerconfiguration/init(peertoken:)"
---

# init(peerToken:)

Creates a configuration for interaction between devices, including iPhone and Apple Watch.

## Declaration

```swift
init(peerToken: NIDiscoveryToken)
```

## Parameters

- `peerToken`: The value of another device’s discovery token. This value uniquely identifies the other peer in the interaction session.

## Mentioned in

Initiating and maintaining a session

## Discussion

Discussion To acquire a peer’s discovery token, two instantiations of the app exchange their respective discoveryToken over the network using a method you choose. For a discussion that covers sharing discovery tokens using Multipeer Connectivity, see Discovering peers with Multipeer Connectivity.