This is the story of Thulani, a chatbot I designed to make my life easier and also help me understand ChatOps more. I wish there was more to it than that, I really do, but this post is a guide to what tools and resources I used to understand chat ops more, and how you can use chatbots to solve (hopefully better) problems. What is chat ops? is the use of chat clients, chatbots and real-time communication tools to facilitate how software development and operation tasks are communicated and executed. ChatOps Why did I need a chatbot? I’ve recently started using the platform Freetrade by the . I am not a serious investor, it first started off as interest and wanting to own shares in some of my favourite companies, but over time as more friends signed up, we started having discussions and researching stocks. Freetrade Team But during this research, I have found it difficult to keep up with every stock, especially the ones I just want to keep an eye out on. What this meant was that sometimes I could miss out on a buy or a potential exit. So I sat down and had a think, how can I build something for myself to ensure this doesn't happen? Disclaimer: Other apps have features that could eliminate this problem, but that doesn’t teach me about chatbots now does it 🙃 And Project Thulani was born! The first step was to name my chatbot and to officially start this project. I chose the name which is of Zulu origin. It means to I liked the name and felt it would give my chatbot more character, and how often do we see bots with Zulu names? Thulani “be quiet/be comforted.” Having identified my and the proposed solution, it was now time to envision what success will look like: problem A finds a share → informs Thulani → Thulani checks API with stock information → confirms → End. user User User This was the draft user story I was trying to build, where each time I decide to monitor a companies stock, Thulani will remember the as this will be the price point I will want to monitor, and then I can set Thulani to message me if the price goes below or above . time and date X As I didn’t actually want to create an entire app for just this function, a chatbot was the best solution. Thulani meets Watson! Watson Assistant is IBM’s AI product that lets you build, train, and deploy conversational interactions into any application, device or channel. I chose to explore Watson as the backend to Thulani’s conversation skills as unlike most chatbots, Watson Assistant doesn’t try to mimic human interaction. It will actually ask for clarity, know when to search from a knowledge database ( ) and can be deployed on Slack amongst other things. the API we will be querying I was able to deploy an instance of a Watson Assistance which I could actually preload with some customer service conversation skills, but there was nothing that really covered the questions I was looking for, so I had to teach Thulani how to respond, from scratch. The ‘Hello’ node was my initial conversation starter. When a user opens the chatbot, how will Thulani greet them? Of course, he can just greet them and wave 👋🏾 whilst waiting for input, but it makes more sense to get the most out of the interactions . (as this means you write fewer conversation nodes) So Thulani would greet the user, and immediately ask what stock they are after. But this is a bad way to write up dialogue. As it boxes my chatbot into limited functionality. If there’s scope for it to grow, I would like the first interaction to actually be like a menu, so Thulani will let the user straight away, “ Hey, here are your options!” Then came the headache 🤯 With the logic written out, I now came to the realization that I would now need to integrate an API for the stock information. But with only calls a month, the infrastructure engineer within me kicked in. How can I gracefully preserve the API calls? Thulani should be able to check Tesla's share price without my interaction and then feedback to me if Elon has crashed the market. 10,000 API But what happens at weekends or when the stock markets are closed? It meant that I had to find a way to add logic and operating hours for Thulani. Function only during weekdays between 8 am and 9 pm. (This is when the UK and USA stock markets are open)Do not make API calls on weekends — Unless asked by the user. But even with these questions to answer where was I getting the data from? The data needs to be live . If it’s not live , Thulani needs to let me know the last time it was checked. ish ish Thulani needs to keep a log of the last time I asked and update me if the stock is up or down since then. The API 🕸 Thanks to who published I was able to find an API that would satisfy what I need. I chose to use as the historical data it holds could actually be useful in the future, wouldn’t it be great to ask Thulani how oil was doing during the recession of 2008? Shen Huang The Best 5 free stock market APIs in 2020 yfinance But it wasn’t compatible with Watson as there is currently no webhook available. And as I was trying to make this a free resource, investing in running a VM that would communicate with Watson was not feasible. I did look for webhook versions to pull this information but they all come with a cost. End of the road for Thulani? 🥺 One thing I often preach about is to practise makes perfect and trying new things is the best part of keeping up with computer science & tech. I am in no way a Software Engineer or even someone who works with chatbots, but this weekend I was able to try out a new side of tech, using low code solutions to try and build a chatbot. My friend who is a Software Engineer focusing on AI also took on this challenge and took a completely different approach, going the Microsoft route and using . For both of us, it was a chance to rethink problems in our fields that could be solved with chatbots. In regards to cybersecurity and data science, there are actually so many different use cases I can now look forward to trying out with a chatbot. Stephen Wond Microsoft LUIS For example, I currently run multiple honeypots and it would be great to set up a where users can ask if an IP has appeared in my honeypot data, or daily stats and figures about the attack landscape. Telegram bot Watson may not have been the best choice for my project, but this doesn’t mean it’s the end of Thulani, as has had far better success with , I will be looking to brush up on my Azure skills ( ). Stephen Wond LUIS and hopefully secure some Azure credits 🤣, Hi Microsoft UK Developer This was a fun way to learn by doing, but although this time, I didn’t come through with the prototype I would’ve wanted, I am looking forward to getting back to learning and rebuilding Thulani 2.0 🤖 If you are looking to get involved in the development of Thulani, please connect with me on LinkedIn: Stephen Chapendama Previously published at https://towardsdatascience.com/how-i-tried-to-build-a-chatbot-named-thulani-to-manage-my-investment-portfolio-359f46b439d4

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