FYI.   This topic is very helpful. And, it is easy to get hits from search engines. So I'll share some recent new information. If you use the Webhook Payload Template (Beta feature), you can send alerts directly from Meraki to Microsoft Teams.   Now in beta! Webhook Payload Template Editor Dashboard GUI page - The Meraki Community https://community.meraki.com/t5/API-Early-Access-Announcements/Now-in-beta-Webhook-Payload-Template-Editor-Dashboard-GUI-page/ba-p/171360   You must be a member of the API Early Access Group to view the topics above.   API Early Access Group - The Meraki Community https://community.meraki.com/t5/API-Early-Access-Group/gh-p/api-early-access   I was confusing "Webhook Payload Template" with "Webhook Payload Template Editor".   [Sample Alerts]   [Meraki Settings (Key Point)] Enable "Early API Access". Without customization, activation of Early API Access was not required.   "Payload template" setting will be displayed. Set to "Microsoft Teams (included)".   Don't forget to specify webhook in "Default recipients".     Memo: I used "Incoming Webhook" for the Microsoft Teams side. ... View more

The MX doesn't necessairly now the WAN circuit size, so it can't report a percentage.   You could consider using SNMP to pull the throughput, use the WAN size which you know, and calculating the percentage.  A bit painfull. ... View more