index.js

// src/index.js
"use strict";

module.exports = {
  register(/*{ strapi }*/) {},
  bootstrap({ strapi }) {
    strapi.db.lifecycles.subscribe((event) => {
      if (
        event.action === "afterUpdate" &&
        event.model.uid == "plugin::payu.transaction"
      ) {
        strapi.service("api::product.product").handleTransactionUpdate(event);
      }
    });
  },
};