Contents

UNNotificationAttachmentOptionsTypeHintKey

A hint about an attachment’s file type.

Declaration

let UNNotificationAttachmentOptionsTypeHintKey: String

Discussion

The value of this key is an NSString containing a Uniform Type Identifier (UTI) that describes the file’s type. If you don’t include this key, the system uses the attachment’s filename extension to determine its type.

See Also

Creating an Attachment