How to activate the reasoning on openrouter with http module?

[Kaan]

after searching around I found a simple template for an openrouter request via http:

Using open router for chat models

Hi @yessir ! Here is a simple workflow that makes use of an HTTP Request to access one of the LLMs available through OpenRouter: Simply replace the values in the Set module and you have your first start with OpenRouter!

But how can I activate the reasoning? I mean which parameter I have to send via http to activate the reasoning?