---
title: eventStream
framework: corenfc
role: symbol
role_heading: Instance Property
path: corenfc/cardsession/eventstream-swift.property
---

# eventStream

An asynchronous sequence of events from the card session.

## Declaration

```swift
var eventStream: CardSession.EventStream { get }
```

## Discussion

Discussion Use the Swift for-await-in syntax to receive and process events as the session produces them.

## See Also

### Handling card events

- [CardSession.EventStream](corenfc/cardsession/eventstream-swift.class.md)
- [CardSession.Event](corenfc/cardsession/event.md)