UIMailConversationContext.MailEntry.Kind.promotion The email contains a promotional offer. Declarationcase promotion See AlsoKinds of emailUIMailConversationContext.MailEntry.Kind.newsUIMailConversationContext.MailEntry.Kind.noneUIMailConversationContext.MailEntry.Kind.personalUIMailConversationContext.MailEntry.Kind.socialUIMailConversationContext.MailEntry.Kind.transaction