Create Teams webhook
Microsoft will end support for Incoming Webhooks on October 1, 2024.
To continue sending messages to Microsoft Teams, you will need to set up a workflow with a webhook trigger
An incoming webhook is created for Microsoft Teams is explained here, in addition to the Microsoft docs.
Teams
Open the channel in which the webhook should be created
Click on "..." in the upper-right corner
Click on "Connectors"
Search for "Incoming Webhook"
Click on "Add" if no webhook has been created in this channel yet
Click on "Configure"
Define the webhook
Specify a name, such as "IBI-aws"
If you like, specify an image for the webhook, which will then be displayed as a profile image for the corresponding messages
Click on "Create"
Copy the webhool URL (this URL is needed in the IBI-aws Admin)
Click on "Done"
TeamsNew
Go to "Apps" and search for "Incoming Webhook"
Click on "Add"
Click on "Add to a team"
Choose the right team
Click on "Setup a connector"
Define the webhook
Specify a name, such as "IBI-aws"
If you like, specify an image for the webhook, which will then be displayed as a profile image for the corresponding messages
Click on "Create"
Copy the webhool URL (this URL is needed in the IBI-aws Admin)
Click on "Done"
Source: Microsoft documentation