Hi to everyone,
I tried to get this solution for my flow but it returns every value twice.
I have to send the choices via mail to someone to approve the selected values. In my case there are different kinds of mediacommunications "Radio", "TV", "Social Media" and so on.
The mail looks like this:

So every selected media returns two times.
First step in my flow is: GET ELEMENT

next step: INITIALIZE VARIABLE as STRING

next step: Attach to String inkl. a foreeach

an here the final email-format incl. the information:

I don´t know where I made a mistake. Please help, if possible.
Thanks to everyone who can support.
Thomas