---
title: MFMailComposeControllerDeferredAction.addMissingRecipients
framework: Message UI
role: symbol
role_heading: Case
platforms: [iOS 3.0+, iPadOS 3.0+, Mac Catalyst 13.0+, visionOS 1.0+]
path: messageui/mfmailcomposecontrollerdeferredaction/addmissingrecipients
---

# MFMailComposeControllerDeferredAction.addMissingRecipients

## Declaration

```swift
case addMissingRecipients
```