saveDraft

public final Unit saveDraft(String draft, OperationHandler<Boolean> handler)

if (error == null) {

messageIds

Message unique ID List, at most 20

}
    if (error == null) {
        @param handler Query result callback, Returns on success Draft content (May be null)
    }
}

channel.clearDraft { result, error -> pushContent = "You received a new message"