---
title: "sessionDidStartRunning(_:)"
framework: nearbyinteraction
role: symbol
role_heading: Instance Method
path: "nearbyinteraction/nisessiondelegate/sessiondidstartrunning(_:)"
---

# sessionDidStartRunning(_:)

Notifies the app when a session starts or resumes running.

## Declaration

```swift
optional func sessionDidStartRunning(_ session: NISession)
```

## Parameters

- `session`: The session that starts or resumes running.