Custom sign up form with custom fields

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1

Hi wix experts

I am trying to build my own signup form.
It works fine, I can pass in options except I cannot get a custom member field (“custom_memberno”) to get saved.

Anyone knows how to correctly use customFields in options when registering new users?

My code is below:

import { authentication } from 'wix-members-frontend';
import wixLocation from 'wix-location';

$w.onReady(function () {
    $w('#registerNow').onClick(function () {

        let email = $w('#registerEmail').value;
        let password = $w('#registerPassword').value;

        let options = {
            contactInfo: {
            firstName: $w('#registerName').value,
            lastName: $w('#registerLastname').value,
            customFields: {"custom_memberno": "12345"}
            },
            privacyStatus: "PRIVATE"
        }

        authentication.register(email, password, options)
  .then((registrationResult) => {
        wixLocation.to('/')

  })
  .catch((error) => {
    console.error(error);
  });

    })
});
2

You’ll need to:

  1. Make sure the fields are first defined in the member dashboard
  2. Use the data structure defined in the link below

Can read more about both details here: Introduction - Velo API Reference - Wix.com