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# CredentialSession.ConnectivityEvent

An event that a credential receives during card emulation.

```
struct ConnectivityEvent
```

## Topics

### Identifying the target instance

[`let instanceApplicationIdentifier: Data`](/documentation/SecureElementCredential/CredentialSession/ConnectivityEvent/instanceApplicationIdentifier)

The instance application identifier associated with the credential that receives an event.

### Inspecting event data

[`let data: Data`](/documentation/SecureElementCredential/CredentialSession/ConnectivityEvent/data)

The data a credential receives during card emulation.

## Relationships

### Conforms To

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

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

---

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