---
agentTools:
  projectIndex: https://docs.rainway.com/llms.txt
---

# Node.js SDK - PeerEvents."connection-state-change"

[Home](https://docs.rainway.com/reference/about) > [@rainway/native](nodejs-sdk) > [PeerEvents](./nodejs-sdk-peerevents) > ["connection-state-change"](./nodejs-sdk-peerevents-connection-state-change-)

## PeerEvents."connection-state-change" property

Raised when the peer's connection state has changed.

<b>Signature:</b>

```typescript
"connection-state-change": (ev: PeerStateChangeEvent) => EventReturnType;
```