Passing data between map_request and map_response

[kt390256]

Describe the solution you'd like
Hi all, I am new to rust and the apollo router - a question I have is what's the best way here to pass data between map_requset and map_response?

Essentially I am trying to see how can I pass request id in the request stage to the response stage, so I can append the request id to the response header.

Thanks for reading the question and all efforts are appreciated!

[SimonSapin]

Hi! Assuming this is a Rust plugin, various request and response structs have a context field with a key-value map of serializable data. The context is shared between various stages of the lifecycle of a given client request, so you could insert data in map_request and get it back in map_response

That same context is also available from Rhai scripts.

[BrynCooke]

I've converted this to a discussion as this is more of a general support request.

[kt390256]

Apology for the late response, I've tried the context object and it is working - thank you @SimonSapin and @BrynCooke 🙏