> For the complete documentation index, see [llms.txt](https://docs.reorc.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.reorc.com/data-service/access-control.md).

# Access control

## Manage permission

1. Navigate to the **Data Service** you want to share.
2. Click the **Share** button in the utility bar.
3. View the list of users with access and their roles:
   * **Administrators**: Can manage all assets and users.
   * **Developers**: Can edit data services.
   * **Viewers**: Can view and download data.
   * **Guests**: External users with view-only access to specific assets that they have been granted.

<figure><img src="/files/aTsHn7NpTCrnCgPOl7p2" alt=""><figcaption></figcaption></figure>

**Note**:

* **Project Members** will have their default access to the data service based on their role in the project (e.g., Administrators can manage, Developers can edit, Viewers can view).&#x20;
* These default access levels **cannot be modified** in the data service sharing settings. To change a user’s role, update their role in the [**Project settings**](/settings/project-settings.md).

## Add users

1. In the **Share** popup, click the search bar.
2. Search for users by name or email.
3. Select a user to grant **"Can View"** access.
4. The user will be added to the parental project as a **Guest**.

<figure><img src="/files/nE7HUkC1Rk5CoY24s3vZ" alt=""><figcaption></figcaption></figure>

{% hint style="info" %}
If you can not find users, please check to ensure they are members of the current organization in the [Organization settings](/settings/organization-settings.md).
{% endhint %}

### Remove users

1. In the **Share** popup, locate the user you want to remove.
2. Click **Remove** next to their name to revoke access.

<figure><img src="/files/urpU7cgzoV5RWkwTD075" alt=""><figcaption></figcaption></figure>