> For the complete documentation index, see [llms.txt](https://docs.stackerhq.com/stacker-astra/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.stackerhq.com/stacker-astra/workspace-portals-and-apps/portals.md).

# Portals

Create portals for your external users to interact with specific data. Each portal is accessible by external users with their own domains. 

<figure><img src="/files/HeyxS68UFhlYWliRBqgi" alt="" width="563"><figcaption></figcaption></figure>

## Create a Portal

1. Go to your workspace&#x20;
2. Select the + next to **Portals**
3. Give your portal a name

<figure><img src="/files/1EVBnT28JJPyZ7l2UCn0" alt=""><figcaption></figcaption></figure>

{% hint style="info" %}
By default, the URL of the portal is *appname.stackerportal.com*
{% endhint %}

{% embed url="<https://vimeo.com/1010607221/95e3ffc4e8?share=copy>" %}

{% hint style="info" %}
Tables can be [shared](/stacker-astra/data-management/edit-your-data-in-the-data-grid/share-data-with-other-apps.md) to your portals from your internal workspace
{% endhint %}

## Set a custom domain

First you will need to[ set up your domain. ](/stacker-astra/workspace-portals-and-apps/portals/custom-domain.md)

Set your custom domain on your portal.&#x20;

1. Go to the Portal&#x20;
2. Select Settings
3. Input your Custom Domain in the space provided

## Generate Permanent Login Links

{% hint style="info" %}
Please contact <stackersupport@stackerhq.com> if you are interested in this feature
{% endhint %}

This link will allow your users to login to their accounts without needing to sign in. This will keep them logged in until they logout. Use a lookup field to pull this field to the table you are using as your Users table, giving your users direct access to this link.&#x20;

Ensure you have set up proper permissions on both tables to avoid sharing the login links with other users. ([Learn more about setting up permissions here)](/stacker-astra/security/add-user-permissions.md).

1. Go to your Portal
2. Select Settings form the Workspace page
3. Check **Generate Permanent Login Links**
4. Go to **App Settings > Expose Login Links**
5. Go to **Manage Fields and Data**
6. Go to the **Stacker Users** Table
7. Select **Fields**
8. Toggle on **Login Links**

{% embed url="<https://app.arcade.software/share/qinxxxdA5wSNyFq60XnB>" %}

{% hint style="warning" %}
It is important to set your permissions for this field to prevent other users from seeing other login links ([Learn more about setting up permissions here)](/stacker-astra/security/add-user-permissions.md).
{% endhint %}