for notificationID in notificationIDs.values {
        
      
      NotificationsController.send(to: notificationID, title: message.sender, message: message.text ?? Constants.Placeholders.pictureMessagePlaceholder)
    }

func send(message: Message) {
    
    
    
    // Write the message to Firebase
    let randomMessageId = messagesRef!.childByAutoId().key
    
    // Since we are sending this message, we can cache it as most recent
    mostRecentMessageTimestamp = message.timestamp
    
    
    // If there are inactive members, attempt to rejoin them
    // Otherwise you would manually have to rejoin to be added again
    
    for (uid, username) in inactiveMembers {
      databaseManager.attemptRejoinIntoConversation(convoID: convoId, uid: uid, username: username, completion: {_ in})
    }
    
    
    // Each message record (uniquely identified) will record sender and message text
    if let text = message.text {
        messagesRef?.child(randomMessageId!).setValue(
        ["sender" : message.sender, "text" : text, "timestamp" : message.timestamp.timeIntervalSince1970]
      )
      
    } else if let imageURL = message.imageURL {
        messagesRef?.child(randomMessageId!).setValue(
        ["imageURL": imageURL, "sender" : message.sender, "timestamp" : message.timestamp.timeIntervalSince1970]
      )
    }
    
    
    // Set timestamp for most recent conversation viewing
    // This is required to later determine if messages loaded have already been seen
    updateLastSeenTimestamp(convoID: convoId)
    
    // TODO: Internet speed may prevent sending notification if observers do not find out about newly reactivated users in time
    // Ask NotificationController to send this message as a push notification
    
 
    for notificationID in notificationIDs.values {
        
      
      NotificationsController.send(to: notificationID, title: message.sender, message: message.text ?? Constants.Placeholders.pictureMessagePlaceholder)
    }
    
    
  }