# Add Users
Adding users to your app gives them access to your app and allows you to share the app with your external or internal users.
## **Add Users to app**
1. Go to **Manage Users**
2. Select **Create table group**
3. Give the group a name
4. Select the table
5. Assign this group a role or create a new role
6. Select the field with the email addresses of the users
7. Set a data filter (optional)
Send your users the URL of your app to share the app with them.
{% hint style="info" %}
You must first add a table in your data grid with an **email field** and have [roles enabled. ](/stacker-astra/security/roles.md)
{% endhint %}
{% embed url="" %}
## **Add Individual Users**
1. Go to **Manage Users**
2. Select **Add User**
3. Select a name from your app or start typing to invite a new user
4. Click **Invite**
5. Assign them a role
## Adding an Administrator
Administrators are users who can edit the apps layout, view the data grid and manage users.
### Assign admins
1. Go to **Manage Users**
2. Select **Add users**
3. Choose the user or type their email
4. Assign them the role of **Administrator**
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