I'm not sure what we're talking about, but there is no guide for "integrating" It, SG220, and it should work with any vendor. If you are talking about monitoring SG220 on the dashboard It's not possible.
I am not a Cisco Meraki employee. My suggestions are based on documentation of Meraki best practices and day-to-day experience.
Please, if this post was useful, leave your kudos and mark it as solved.