if you (unfortunately) find yourself utilizing Microsoft Teams incoming webhooks & need to send alerts from CheckMK, you can use this. utilizes params in UI to set the webhook url so you can send to different channels / don't hardcore webhook

• clone / copy teams.py & put in /omd/sites/{your_site}/local/share/check_mk/notifications
• ensure it's executable (chmod +x teams.py)
• setup notification. method = 'Notify via Microsoft Teams', param = teams channel webhook

checkmk team -- this is a modified version of their slack webhook plugin