Raw json body how to add variable?

[arlem (Arlémi Turpault)]

Since this question is still pulling a lot of views we’ve created a collection that shows how to achieve that in the Postman Answers public workspace:

https://www.postman.com/postman/workspace/postman-answers/collection/9215231-f6b56d11-9a88-4785-8b78-ebd756b6c940?ctx=documentation

Fork it and see how it works by yourself!