You can either Integrate the API of any of the existing microskills from the access portal or you can configure your own.
All of the microskills listed here are ready to be integrated. You don't need any tarining. Olbrain would keep on learning the nuances of your data on its own and would surpass human level effeciency within a couple of weeks. You can keep on checking the efficiency in sand box and take to production only after you are satisfied with the performance.