How to retrieve File produced by Assistant API using cURL and save it?

API
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Hello Community , I can not figure out as of yet how to download a file using the cURL retrieve Method presented here:
platform.openai.com/docs/api-reference/files/retrieve-contents

Here are some screenshots of what I tried using Postman:

1 Retrieve File
1 Retrieve File1716×1019 203 KB

2 Retrieve File
2 Retrieve File1719×1020 201 KB

My original intention is to retrieve and Download the File using FileMaker:

The URL to be called and the Payload can be seen in the following Screenshot:

Gesamt neu
Gesamt neu1428×927 208 KB

I would be very thankful if someone could give me a tip on how to deal with it.

Thanks in advance