response.session.mergeIntoAccessTokenPayload()

signInPOST

response

console.log()

signInPOST: async function (input) {
                if (originalImplementation.signInPOST === undefined) {
                  throw Error("Shouldn't come here");
                }
                try {
                  const response = await originalImplementation.signInPOST(
                    input
                  );
                  if (response.status === "OK") {
                    const currentAccessTokenPayload =
                      response.session.getAccessTokenPayload();
                    await response.session.mergeIntoAccessTokenPayload({
                      ...currentAccessTokenPayload,
                      message: "Hello World",
                    });
                    console.log("Payload: ", currentAccessTokenPayload);
                  }
                  return response;
                } catch (err) {
                  console.log("signInPOST: ", err);
                }
              },

currentAccessTokenPayload

mergeIntoAccessTokenPayload