# \#hooks **URL:** https://community.auth0.com/tag/hooks/221.md [Latest](https://community.auth0.com/latest.md) · [Categories](https://community.auth0.com/categories.md) · [Tags](https://community.auth0.com/tags.md) --- ## [Only sign up user if own backend allows it and send (sub, email, username)](https://community.auth0.com/t/only-sign-up-user-if-own-backend-allows-it-and-send-sub-email-username/85960)
**Author:** [@amg1](https://community.auth0.com/u/amg1)\ **Replies:** 1\ **Last updated:** [November 21, 2024, 10:52pm UTC](https://community.auth0.com/t/only-sign-up-user-if-own-backend-allows-it-and-send-sub-email-username/85960 "2024-11-21T22:52:53Z")
Hey I got some questions regarding my usecase: I want to gather data (auth0\_sub, email, username) and send it to my backend to create a user with said fields. I then send back the associated internalId from my backend a… --- ## [MFA Hook to know if the setup is completed](https://community.auth0.com/t/mfa-hook-to-know-if-the-setup-is-completed/91974)
**Author:** [@dev43](https://community.auth0.com/u/dev43)\ **Replies:** 4\ **Last updated:** [October 17, 2022, 6:01am UTC](https://community.auth0.com/t/mfa-hook-to-know-if-the-setup-is-completed/91974 "2022-10-17T06:01:06Z")
Hey there, how do I know if a MFA is setup or not? Use case: Use logins into my application, opens settings and clicks on “setup MFA”; he then gets redirected to the UI from Auth0 where the MFA will be setup. How does… --- ## [Force user on first Login to reset their password](https://community.auth0.com/t/force-user-on-first-login-to-reset-their-password/92088)
**Author:** [@7Lee](https://community.auth0.com/u/7Lee)\ **Replies:** 3\ **Last updated:** [October 13, 2022, 6:38am UTC](https://community.auth0.com/t/force-user-on-first-login-to-reset-their-password/92088 "2022-10-13T06:38:10Z")
Hi Auth0 community, I’m gonna quickly introduce myself, I am a French NEWBIE in Auth0 and its world and I am actually a studend in UI / UIX Design. The idea is simple ; I have an existing Database and I want my users t… --- ## [Auth0 Pre-User Registration hook shows different message on universal signup page](https://community.auth0.com/t/auth0-pre-user-registration-hook-shows-different-message-on-universal-signup-page/45126)
**Author:** [@ojaynico](https://community.auth0.com/u/ojaynico)\ **Replies:** 13\ **Last updated:** [January 8, 2024, 10:39am UTC](https://community.auth0.com/t/auth0-pre-user-registration-hook-shows-different-message-on-universal-signup-page/45126 "2024-01-08T10:39:48Z")
I get the message “WE’RE SORRY, SOMETHING WENT WRONG WHEN ATTEMPTING TO SIGN UP.” even after setting up the message correctly in my hook. Below is what i am returning from one of my conditions. return cb(new PreUserReg… --- ## [Getting access tokens inside another hook/reusable code for getting access tokens](https://community.auth0.com/t/getting-access-tokens-inside-another-hook-reusable-code-for-getting-access-tokens/91629)
**Author:** [@dramsay1996](https://community.auth0.com/u/dramsay1996)\ **Replies:** 3\ **Last updated:** [October 1, 2022, 4:47am UTC](https://community.auth0.com/t/getting-access-tokens-inside-another-hook-reusable-code-for-getting-access-tokens/91629 "2022-10-01T04:47:48Z")
Question: I am using auth0 to authorize access from my React application to my API. I am using JWT access tokens for every call. For every call to the API, I’m using the following custom hook to retrieve an access token … --- ## [Add user's email to accessToken using m2m login](https://community.auth0.com/t/add-users-email-to-accesstoken-using-m2m-login/90428)
**Author:** [@barriaandradedaniel](https://community.auth0.com/u/barriaandradedaniel)\ **Replies:** 1\ **Last updated:** [September 21, 2022, 12:49am UTC](https://community.auth0.com/t/add-users-email-to-accesstoken-using-m2m-login/90428 "2022-09-21T00:49:07Z")
Hi, im trying to insert the email into de accessToken. I’m using a m2m application. I created a Client Credentials exchange hooks, but in the base script I can’t see a params that actually add the user’s email. Please … --- ## [How to load web page/static page during login flow](https://community.auth0.com/t/how-to-load-web-page-static-page-during-login-flow/90699)
**Author:** [@Jaydeeps03](https://community.auth0.com/u/Jaydeeps03)\ **Replies:** 1\ **Last updated:** [September 16, 2022, 9:30am UTC](https://community.auth0.com/t/how-to-load-web-page-static-page-during-login-flow/90699 "2022-09-16T09:30:02Z")
Hi Team, I want to display one web page during login flow, this web page will have one dropdown list and post dropdown selection I want to update scope and custom claim of access token. This webpage will be based on s… --- ## [Best method for signup notifications - Webhooks or EventBridge?](https://community.auth0.com/t/best-method-for-signup-notifications-webhooks-or-eventbridge/79009)
**Author:** [@auth017](https://community.auth0.com/u/auth017)\ **Replies:** 3\ **Last updated:** [March 3, 2022, 5:42pm UTC](https://community.auth0.com/t/best-method-for-signup-notifications-webhooks-or-eventbridge/79009 "2022-03-03T17:42:27Z")
Hi there, We’re getting started integrating our AWS backend with auth0 at the moment, and I see there are a couple of ways to get activity notifications (user signUp etc) back to our core. Namely webhooks, and the aws e… --- ## [Auth0 hook ip address](https://community.auth0.com/t/auth0-hook-ip-address/78596)
**Author:** [@jerryforcode](https://community.auth0.com/u/jerryforcode)\ **Replies:** 2\ **Last updated:** [February 22, 2022, 2:42pm UTC](https://community.auth0.com/t/auth0-hook-ip-address/78596 "2022-02-22T14:42:05Z")
Hi, I am implementing a POST request in the hooks post-registration trigger and my requests are failing because it doesn’t recognize the IP address as the IP in the test console is reading as ::ffff:127.0.0.1 , meanwhil… --- ## [Universal login not reflecting on all applications](https://community.auth0.com/t/universal-login-not-reflecting-on-all-applications/72921)
**Author:** [@sgopalakrishnan](https://community.auth0.com/u/sgopalakrishnan)\ **Replies:** 6\ **Last updated:** [December 14, 2021, 1:06am UTC](https://community.auth0.com/t/universal-login-not-reflecting-on-all-applications/72921 "2021-12-14T01:06:37Z")
The issue is we have two applications under one tenant and we have a custom universal login But the custom universal login is not reflected in one of the application (machine to machine) In custom login we have added a… --- ## [Where are the post user registration hooks originated from? (CORS issue)](https://community.auth0.com/t/where-are-the-post-user-registration-hooks-originated-from-cors-issue/68630)
**Author:** [@anil.bunarci](https://community.auth0.com/u/anil.bunarci)\ **Replies:** 1\ **Last updated:** [August 30, 2021, 9:02pm UTC](https://community.auth0.com/t/where-are-the-post-user-registration-hooks-originated-from-cors-issue/68630 "2021-08-30T21:02:00Z")
Hi all, I’m trying to create a new record in the DB after a user registered to the app, and pass some data from that record to app\_metadata. To do that, I created a Post User Registration Hook and configured it to send… --- ## [Post Registration Hook - User Properties Not Pulling In](https://community.auth0.com/t/post-registration-hook-user-properties-not-pulling-in/30914)
**Author:** [@darren.tiplady](https://community.auth0.com/u/darren.tiplady)\ **Replies:** 7\ **Last updated:** [January 8, 2024, 10:42am UTC](https://community.auth0.com/t/post-registration-hook-user-properties-not-pulling-in/30914 "2024-01-08T10:42:55Z")
Hi, We are currently using a post registration web-hook to do a bit of custom functionality. The JSON used when testing the web-hook through the interface looks like this { "user": { "id": "abc123", "tenant"… --- ## [Custom 'Incorrect Password' error](https://community.auth0.com/t/custom-incorrect-password-error/64593)
**Author:** [@mamacdon](https://community.auth0.com/u/mamacdon)\ **Replies:** 1\ **Last updated:** [June 23, 2021, 8:54pm UTC](https://community.auth0.com/t/custom-incorrect-password-error/64593 "2021-06-23T20:54:46Z")
Does the Auth0 system provide any extensibility point for handling a “Failed Login (Incorrect Password)” event? When the client fails to login using password auth, I want to return a more specific error code in some cas… --- ## [Post organization creation hook](https://community.auth0.com/t/post-organization-creation-hook/64853)
**Author:** [@jair](https://community.auth0.com/u/jair)\ **Replies:** 4\ **Last updated:** [June 23, 2021, 12:54pm UTC](https://community.auth0.com/t/post-organization-creation-hook/64853 "2021-06-23T12:54:37Z")
Is it possible to have a hook or action for organization creation? I’m looking for something similar to Post User Registration Hook, but for organizations. --- ## [Pre-registration hooks : send feedback to user](https://community.auth0.com/t/pre-registration-hooks-send-feedback-to-user/39048)
**Author:** [@pkernevez](https://community.auth0.com/u/pkernevez)\ **Replies:** 9\ **Last updated:** [January 8, 2024, 10:42am UTC](https://community.auth0.com/t/pre-registration-hooks-send-feedback-to-user/39048 "2024-01-08T10:42:44Z")
Hi, I created a Pre-Registration hook. I have a rule that refuse de user creation (duplicated user). In case of error, I use the following code to reject the creation : cb(users.length + ’ account(s) already exists ’… --- ## [Create Organization in rules](https://community.auth0.com/t/create-organization-in-rules/62057)
**Author:** [@ali.sabryali7](https://community.auth0.com/u/ali.sabryali7)\ **Replies:** 3\ **Last updated:** [May 17, 2021, 11:00am UTC](https://community.auth0.com/t/create-organization-in-rules/62057 "2021-05-17T11:00:17Z")
Hi, I am trying to create an organization in a rule. i am following these instructions Get Management API Access Tokens for Production to create an accessToken that is able to call management apis. when logging the resp… --- ## [Prevent user creation (with hook?) if user is not whitelisted with rule](https://community.auth0.com/t/prevent-user-creation-with-hook-if-user-is-not-whitelisted-with-rule/62000)
**Author:** [@vainkop](https://community.auth0.com/u/vainkop)\ **Replies:** 9\ **Last updated:** [April 30, 2021, 4:25pm UTC](https://community.auth0.com/t/prevent-user-creation-with-hook-if-user-is-not-whitelisted-with-rule/62000 "2021-04-30T16:25:05Z")
Hi all. I’m trying to prevent user creation if user is not whitelisted with rules. I have 2 rules in effect: domain whitelist & individual emails. I’m using social login (Google). Rules work ok, users who’re not whi… --- ## [Pre registration hook bug setting user metadata in passwordless context?](https://community.auth0.com/t/pre-registration-hook-bug-setting-user-metadata-in-passwordless-context/60948)
**Author:** [@shouze](https://community.auth0.com/u/shouze)\ **Replies:** 6\ **Last updated:** [April 13, 2021, 1:55pm UTC](https://community.auth0.com/t/pre-registration-hook-bug-setting-user-metadata-in-passwordless-context/60948 "2021-04-13T13:55:57Z")
Hi, I’ve seen this message from @guy1812 Pre registration hook set non-metadata user info? - #25 by guy1812, is it a real bug or not? @dan.woda or @James.Morrison any update on this? Because unfortunately we’ve reprodu… --- ## [Try to retrieve origin in hook for multiple environments](https://community.auth0.com/t/try-to-retrieve-origin-in-hook-for-multiple-environments/60944)
**Author:** [@florian1](https://community.auth0.com/u/florian1)\ **Replies:** 3\ **Last updated:** [April 12, 2021, 5:24pm UTC](https://community.auth0.com/t/try-to-retrieve-origin-in-hook-for-multiple-environments/60944 "2021-04-12T17:24:28Z")
Hello, I set up multiple environments for my infrastructure related by feature like https://www.\[feature name\].domain.com. And need to know the origin for redirect the user sync on good API. Do you have any hints for … --- ## [Pre registration hook still creates a user despite throwing PreUserRegistrationError](https://community.auth0.com/t/pre-registration-hook-still-creates-a-user-despite-throwing-preuserregistrationerror/59969)
**Author:** [@s4rb.maciej.kulinski](https://community.auth0.com/u/s4rb.maciej.kulinski)\ **Replies:** 4\ **Last updated:** [March 24, 2021, 5:02pm UTC](https://community.auth0.com/t/pre-registration-hook-still-creates-a-user-despite-throwing-preuserregistrationerror/59969 "2021-03-24T17:02:37Z")
Hello, I have this code in my pre registration hook: if ( /dev/.test(context.webtask.headers.host) && !/example\\.com$/.test(user.email) ) { cb( new PreUserRegistrationError( 'Denied user registration in Pre … --- ## [Hooks editor is hanging](https://community.auth0.com/t/hooks-editor-is-hanging/59670)
**Author:** [@ricky\_22](https://community.auth0.com/u/ricky_22)\ **Replies:** 1\ **Last updated:** [March 18, 2021, 7:29pm UTC](https://community.auth0.com/t/hooks-editor-is-hanging/59670 "2021-03-18T19:29:40Z")
Hi all, I seem to be having issues accessing the hooks editor. Every time I attempt to edit an existing hook, the editor hangs with “loading editor”. Now, it may be a stupid question, but I’m still using the free subscr… --- ## [Client Credentials Authentication via Pre-register Auth0 hook](https://community.auth0.com/t/client-credentials-authentication-via-pre-register-auth0-hook/58711)
**Author:** [@Orfen](https://community.auth0.com/u/Orfen)\ **Replies:** 1\ **Last updated:** [March 2, 2021, 4:53pm UTC](https://community.auth0.com/t/client-credentials-authentication-via-pre-register-auth0-hook/58711 "2021-03-02T16:53:34Z")
Hello, in my previous post I was after an invitation system using the Auth0 framework, but in the end we decided to manage the invites ourselves. We’ve set up our API as a regular web app, and i’m trying to get a client … --- ## [How to bail out of a Pre-registration Hook without an error](https://community.auth0.com/t/how-to-bail-out-of-a-pre-registration-hook-without-an-error/57744)
**Author:** [@jyi](https://community.auth0.com/u/jyi)\ **Replies:** 1\ **Last updated:** [February 12, 2021, 9:00pm UTC](https://community.auth0.com/t/how-to-bail-out-of-a-pre-registration-hook-without-an-error/57744 "2021-02-12T21:00:51Z")
Hi, I am trying to implement a user pre-registration hook in our passwordless login that will deny registration based on the results of a call to one of my servers. To avoid exposing the results of the request to my se… --- ## [Pre-Registration Hook](https://community.auth0.com/t/pre-registration-hook/56382)
**Author:** [@kai.schwidder](https://community.auth0.com/u/kai.schwidder)\ **Replies:** 1\ **Last updated:** [January 19, 2021, 3:55pm UTC](https://community.auth0.com/t/pre-registration-hook/56382 "2021-01-19T15:55:14Z")
I am having issues with the synchronous pre-registration hook. Any advise is highly appreciated. The context is as follows: When I SignUp I want to leverage the pre-registration hook The hook should call a GET Rest-AP… --- ## [User\_metadata.recaptcha value is too long (max length: 500)](https://community.auth0.com/t/user-metadata-recaptcha-value-is-too-long-max-length-500/56415)
**Author:** [@skyler.sorensen](https://community.auth0.com/u/skyler.sorensen)\ **Replies:** 1\ **Last updated:** [January 19, 2021, 2:45am UTC](https://community.auth0.com/t/user-metadata-recaptcha-value-is-too-long-max-length-500/56415 "2021-01-19T02:45:25Z")
I’ve implemented recaptcha v3 with my web application by attaching the recaptcha token to the user\_metadata on sign up and login flows. I then pick it up with a pre-registration hook and handle it from there. It was work… --- ## [No context.renderLanguage or context.request.language in Pre User Registration hook after /passwordless/start](https://community.auth0.com/t/no-context-renderlanguage-or-context-request-language-in-pre-user-registration-hook-after-passwordless-start/55894)
**Author:** [@norbert.schuler](https://community.auth0.com/u/norbert.schuler)\ **Replies:** 4\ **Last updated:** [January 11, 2021, 1:32pm UTC](https://community.auth0.com/t/no-context-renderlanguage-or-context-request-language-in-pre-user-registration-hook-after-passwordless-start/55894 "2021-01-11T13:32:01Z")
I wrote a Pre User Registration hook to add the user locale/language to the user meta data in order to send out a localized mail with the verification code , but I could not retrieve a value from context.renderLanguage n… --- ## [Updating User Metadata on Password Change Hook Completion](https://community.auth0.com/t/updating-user-metadata-on-password-change-hook-completion/55139)
**Author:** [@kruegeba](https://community.auth0.com/u/kruegeba)\ **Replies:** 3\ **Last updated:** [December 21, 2020, 10:12am UTC](https://community.auth0.com/t/updating-user-metadata-on-password-change-hook-completion/55139 "2020-12-21T10:12:32Z")
Am I able to edit a users metadata during a hook event (specifically change-password-hook)? I have the below and it does not seem to work at all? I am checking after I complete a forgot password/reset password flow… mod… --- ## [Hooks - detailed explanation of context.context.renderlanguage](https://community.auth0.com/t/hooks-detailed-explanation-of-context-context-renderlanguage/52852)
**Author:** [@kenneth.lamantia](https://community.auth0.com/u/kenneth.lamantia)\ **Replies:** 1\ **Last updated:** [November 17, 2020, 10:21pm UTC](https://community.auth0.com/t/hooks-detailed-explanation-of-context-context-renderlanguage/52852 "2020-11-17T22:21:50Z")
One of the context parameters available in the pre-registration hook is context.renderlanguage which the comment describes as the language used by signup flow. Where is this language set? Can I set it from inside Lock? W… --- ## [Post User Registration Hook](https://community.auth0.com/t/post-user-registration-hook/52208)
**Author:** [@diceccostefano87](https://community.auth0.com/u/diceccostefano87)\ **Replies:** 8\ **Last updated:** [November 16, 2020, 11:29pm UTC](https://community.auth0.com/t/post-user-registration-hook/52208 "2020-11-16T23:29:17Z")
Hi all, I tried to edit a Post User Registration hook to send an email from my SMTP custom provider (SendinBlue). The code below: const SibApiV3Sdk = require(“sib-api-v3-sdk”); const defaultClient = SibApiV3Sdk.ApiCl… --- ## [GitHub deployment and hooks - incorrect docs(?)](https://community.auth0.com/t/github-deployment-and-hooks-incorrect-docs/51091)
**Author:** [@exactlyaron](https://community.auth0.com/u/exactlyaron)\ **Replies:** 11\ **Last updated:** [November 4, 2020, 8:39am UTC](https://community.auth0.com/t/github-deployment-and-hooks-incorrect-docs/51091 "2020-11-04T08:39:14Z")
Hi, On this page - https://auth0.com/docs/extensions/github-deployments It states The GitHub Deployments extension allows you to deploy rules, rule configs, hooks, connections, database connection scripts, clients, c… [Next page](https://community.auth0.com/tag/hooks/221.md?match_all_tags=true&page=1&tags%5B%5D=hooks)