override: {
          apis: (originalImplementation) => {
            return {
              ...originalImplementation,
              signUpPOST: async function (input) {
                if (originalImplementation.signUpPOST === undefined) {
                  throw Error("Shouldn't come here");
                }
                try {
                  const response = await originalImplementation.signUpPOST(
                    input
                  );
                  if (response.status === "OK") {
                    const formFields = input.formFields;
                    formFields.push({
                      id: "userId",
                      value: response.session.userId,
                    });
                    addUser(formFields);
                  }
                  return response;
                } catch (err) {
                  serverLogger.error("/config/backendConfig: ", err.message);
                }
              },
            };
          },
          functions: (originalImplementation) => {
            return {
              ...originalImplementation,
              createNewSession: async function (input) {
                let userId = input.userId;
                // accessible to frontend
                input.accessTokenPayload = {
                  ...input.accessTokenPayload,
                  stripeSellerId: "hello world",
                };
                input.sessionData = {
                  ...input.sessionData,
                  stripeSellerId: "hello world",
                };
                return originalImplementation.createNewSession(input);
              },
            };
          },
        },
      }),
      SessionNode.init(),

console.log(useSessionContext())

const { accessTokenPayload, userId } = useSessionContext()

console.log(accessTokenPayload)
console.log(userId)

{}
c3af1584-6d65-43fd-804e-de299f1ccb8a

sFrontToken

return originalImplementation.createNewSession(input);

.next

console.log("stripeSellerId: ", input.accessTokenPayload);