How To Get Response Headers on A useMutation

[mymai91]

How can I get res.headers.get('authorization') in onSuccess?

return useMutation(authService.createUser, {
    onSuccess: (res) => {
     
    },
    onError: (_err, data, context) => {
      console.log("Please try again");
    },
  });

[mymai91]

I already figured out the answer. 0-0

[sawaYch]

Would you mind to share how to access the response header?
I found that the context variable always = undefined