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addAttachmentURL(_:withAlternateFilename:)

Attaches a specified file to the message.

Declaration

func addAttachmentURL(_ attachmentURL: URL, withAlternateFilename alternateFilename: String?) -> Bool

Parameters

  • attachmentURL:

    The file URL for the attachment. Must not be nil.

  • alternateFilename:

    If you supply a string here, the message UI uses it for the attachment. Use an alternate filename to better describe the attachment or to make the name more readable.

    OK to use a nil value, in which case the attachment’s actual filename is displayed in the message UI.

Return Value

true if the attachment at the specified URL was successfully added to the message, or false otherwise.

Discussion

You can add zero or more attachments to a message before you display the message to the user. To access information about a message’s attachments, access the attachments property.

See Also

Managing attachments