Scheduler-Backend/schemas/bookingSchema.js

import mongoose from "mongoose";

const bookingSchema = new mongoose.Schema({
    appointment: {
        type: String,
        required: true
    },
    email: {
        type: String,
        required: true
    },
    firstname: {
        type: String,
        required: true
    },
    lastname: {
        type: String,
        required: true
    }
});
const Booking = mongoose.model('Booking', bookingSchema, 'booking');

export default Booking;