How to consuming API with parameter 'q' in VBCS

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I have an API with which I pass certain parameters with 'q' to filter the data. The tests I did in Postman and I already have the API with the corresponding parameters (image 'postman.png') but in VBCS I do not know how to add the parameters to be dynamic (image 'vbcs.png').

In the image 'postman.png', the parameters that I need to be dynamic are those found in the red boxes.

 

Thanks!