relationshipTester.js

const models = require('./models');
const User = models.User;
const Company = models.Company;
const WorkingDay = models.WorkingDay;

Company.create({
  name: "My super company"
})
.then((newCompany) => {
  // The get() function allows you to recover only the DataValues of the object
  console.log(newCompany.get())
})
.catch((err) => {
  console.log("Error while company creation : ", err)
})