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# GroupSessionMessenger.MessageContext

A structure that contains additional information about an incoming message, such as which device sent it.

```
struct MessageContext
```

## Topics

### Getting the initiating participant

[`var source: Participant`](/documentation/GroupActivities/GroupSessionMessenger/MessageContext/source)

The participant device that sent the message.

## Relationships

### Conforms To

[`Sendable`](/documentation/Swift/Sendable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

---

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