Limiting Access to Typeform Links with Hidden Fields

I have a list of customers, and I created hidden fields in the link. How can I limit the link so that only the customers who were sent the link can view it? Any changes to the information in the hidden fields will be redirected to a predefined ending screen for that case

Example:

1. You have a list of customers with unique codes: ["ABC123", "DEF456", "GHI789"]. You create a Typeform form with a Hidden Field named “unique_code”. You share the form with each customer by appending their unique code to the URL, like this: https://yourtypeform.typeform.com/to/abc123?unique_code=ABC123.
2. You set up a Logic Jump in your Typeform form that checks the value of the Hidden Field “unique_code”. If the value does not match any of the unique codes in your list, the respondent is taken directly to the end of the form and cannot see or submit any responses.
3. A customer tries to access your Typeform form by changing the value of the unique_code query parameter in the URL. For example, they change it to https://yourtypeform.typeform.com/to/abc123?unique_code=XYZ789. Since “XYZ789” is not in your list of unique codes, they are taken directly to the end of the form and cannot see or submit any responses.

Currently, I only see redirects to question screens

Hi nam.th here what to do by creat a hidden field in your Typeform.This ca be done by clicking on the "+ Add a question" button and deleting the Hidden field" option 2) Add logic to your hidden field question to generate a unique access code. You can use a combination of rando characters or unique identifier for each respondent. 3) Once you have the access code genarated, you it to have the access code is stored in variable _ called " access _ code", You can create unique link like: https :// www.typeform. com/ form/ your_ form _ id? access _ code= abc123", Distribute the personalize links to each respondent, ensuring they receive their individual access code. 5) When someone clicks on their personalized link, the hidden field value will be pre- filled in the Typeform and they can proceed with filling out the form. You can validate the access code within the form using skip logic or Hidden fields logic to ensure only repondents with the correct access code form.

By using hidden field in the way you can effectively limit access to your  Typeform links and collect information from specific individuals or groups.