Is it possible to extend an existing method of a controller?

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Is there any way to extend an existing method of a controller? i.e. I would like to extend the register method of the users-permissions plugin.

I tried the following approach:

  • I created a new auth.js file in extensions/users-permissions/controllers

  • I created a routes.json in its config folder

  • I set the content of auth.js to this:

    module.exports = {
    async registerExt(ctx) {
    console.log(“Custom auth”)
    .then(res => {
    console.log(res), ‘’);
    .catch(e => {
    return e

But I can see that res is always undefined, thus I cannot get anything out of the return value of the original register() call. It would be nice if I could overrider the register() functions directly. I tried but then the content of strapi.plugins[‘users-permissions’].controllers.auth.register is my own function, which leads to an infinite loop :slight_smile: