this is capi app // frontend/src/shop/index.ts

const signIn = async () => { const scopes = ["username", "payments"]; const authResponse = await window.Pi.authenticate(scopes, onIncompletePaymentFound);

/* pass obtained data to backend */ await signInUser(authResponse);

/* use the obtained data however you want */ setUser(authResponse.user); };

const signInUser = (authResult: any) => { axiosClient.post("/signin", { authResult }, config);

return setShowModal(false); };