---
title: "coordinateWithSession(_:)"
framework: avfoundation
role: symbol
role_heading: Instance Method
path: "avfoundation/avplaybackcoordinator/coordinatewithsession(_:)"
---

# coordinateWithSession(_:)

Begins coordination of a player with a group session.

## Declaration

```swift
func coordinateWithSession<T>(_ session: GroupSession<T>) where T : GroupActivity
```

## Parameters

- `session`: The group session with which to coordinate playback.