<!--
{
  "availability" : [
    "iOS: 11.0.0 -",
    "iPadOS: 11.0.0 -",
    "macCatalyst: 13.1.0 -",
    "macOS: 12.0.0 -",
    "visionOS: 1.0.0 -",
    "watchOS: 4.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "SiriKit",
  "identifier" : "/documentation/Intents/INSendMessageRecipientUnsupportedReason",
  "metadataVersion" : "0.1.0",
  "role" : "Enumeration",
  "symbol" : {
    "kind" : "Enumeration",
    "modules" : [
      "Intents"
    ],
    "preciseIdentifier" : "c:@E@INSendMessageRecipientUnsupportedReason"
  },
  "title" : "INSendMessageRecipientUnsupportedReason"
}
-->

# INSendMessageRecipientUnsupportedReason

Constants indicating the reason why a recipient is not supported.

```
enum INSendMessageRecipientUnsupportedReason
```

## Topics

### Enumeration Cases

[`INSendMessageRecipientUnsupportedReasonNoAccount`](/documentation/Intents/INSendMessageRecipientUnsupportedReason/noAccount)

A recipient without an account.

[`INSendMessageRecipientUnsupportedReasonOffline`](/documentation/Intents/INSendMessageRecipientUnsupportedReason/offline)

An offline recipient.

[`INSendMessageRecipientUnsupportedReasonMessagingServiceNotEnabledForRecipient`](/documentation/Intents/INSendMessageRecipientUnsupportedReason/messagingServiceNotEnabledForRecipient)

A recipient for whom messaging is not enabled.

[`INSendMessageRecipientUnsupportedReasonNoHandleForLabel`](/documentation/Intents/INSendMessageRecipientUnsupportedReason/noHandleForLabel)

A recipient for whom there is no handle for the provided label.

[`INSendMessageRecipientUnsupportedReasonNoValidHandle`](/documentation/Intents/INSendMessageRecipientUnsupportedReason/noValidHandle)

A recipient for whom there is no valid handle.

[`INSendMessageRecipientUnsupportedReasonRequestedHandleInvalid`](/documentation/Intents/INSendMessageRecipientUnsupportedReason/requestedHandleInvalid)

A recipient for whom the requested handle is invalid.

[`INSendMessageRecipientUnsupportedReasonRequiringInAppAuthentication`](/documentation/Intents/INSendMessageRecipientUnsupportedReason/requiringInAppAuthentication)

## Relationships

### Conforms To

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

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

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

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

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

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

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)