events.js

import wixData from 'wix-data';

let options = {
  "suppressAuth": true
};

export function wixLoyalty_onAccountCreated(event) {
  const contactId = event.entity.contactId;
  let object = {
    loyaltyId: event.entity._id,
    contactId: contactId,
    memberId: contactId
  };
  wixData.insert('users', object, options);
}