Teams allows you to connect connectors to a channel. For that, open your teams, select the channels tab and click on the 3 dots at the right side of a channel name. Looks like this...
Click on Connectors for opening the dialog, which then looks like the following screenshot.
There is a mssing word in the title. It should be imho Connectors für den Kanal ...
I have a question too: is there a reason why you did not translate connectors? I've seen this on several places and therefore asking myself, if it is intentional.