import type { Strapi } from '@strapi/strapi'; export default { register({ strapi }: { strapi: Strapi }) { // No error when trying the access & set the strapi.customAddMethod = (n1, n2) => { return n1 + n2; }; }, bootstrap({ strapi }: { strapi: Strapi }) { // This should return 42 strapi.customAddMethod(11, 31); }, };