How to write specific response value to csv file?

Question

API

Good day! Help. I have such a question, I have api requests and when the answer comes I need to write down the result, and again send requests from this file. I am using View Results Tree. It downloads the entire value and will have to sit and delete unnecessary fields, it is very expensive, when 15 thousand requests will then be unreal. The answer comes like

this on this screen you can see the "RequestGuid" and "TaxPayerNumber" fields, I need to write these fields specifically in the csv file and it should be written as in the screenshot

Which sampler to use and which script to write, Thank you

Answer 1

You receive a response in JSON. So refer to millet to the desired values.

$result = file_get_contents(http://yoursite.ru);
echo $result->RequestGuid.