# Overview

{% hint style="info" %}
**Feature availability**

Some functions, such as Custom roles, are available only on certain plans. For more information, visit [plans and pricing](https://snyk.io/plans/).
{% endhint %}

Administration encompasses the following functions:

* [Manage Tenants, Groups and Organizations](#manage-tenant-groups-and-organizations)
* [Manage and use Snyk Projects](https://docs.snyk.io/snyk-platform-administration/snyk-projects)
* [Manage users in Organizations](https://docs.snyk.io/snyk-platform-administration/groups-and-organizations/organizations/manage-users-in-organizations) and [Groups](https://docs.snyk.io/snyk-platform-administration/groups-and-organizations/groups/manage-users-in-a-group)
* [Manage user roles](https://docs.snyk.io/snyk-platform-administration/user-roles)
* [Manage notifications](https://docs.snyk.io/snyk-platform-administration/manage-notifications)
* [Manage settings](https://docs.snyk.io/snyk-platform-administration/groups-and-organizations/group-and-organization-settings)

This page covers the following topics:

* [The Snyk workspace](#the-snyk-workspace)
* [User types](#user-types)
* [Snyk Admin tools](#admin-tools)

## The Snyk workspace

Snyk has a hierarchy that controls access to scanning and other Snyk features in the Snyk workspace. This hierarchy changes depending on your Snyk plan level. This includes:

* Tenant
* Groups
* Organizations
* Targets
* Projects

For a detailed view of how Snyk encompasses all your work items in the Snyk workspace, visit [The Snyk hierarchy](https://docs.snyk.io/groups-and-organizations#the-snyk-hierarchy).

## User types

Snyk has the following types of pre-defined users:

* Organization Admin
* Organization Collaborator
* Group Admin
* Group Viewer
* Group Member
* Tenant Admin
* Tenant Viewer
* Tenant Member

Visit the [Pre-defined roles](https://docs.snyk.io/snyk-platform-administration/user-roles/pre-defined-roles) page for more details, including the permissions associated with each role.

## Admin tools

Snyk provides tools to manage Groups, Organizations, user roles and permissions, notifications, and settings.

### Manage users and permissions

You can manage users and permissions in your Groups. For details, see [Manage users and permissions](https://docs.snyk.io/snyk-platform-administration/user-roles/user-role-management).

<figure><img src="https://2533899886-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MdwVZ6HOZriajCf5nXH%2Fuploads%2Fgit-blob-0d8f22a048dc2022d770fa672eec2c404070ad64%2Fimage%20(245)%20(1).png?alt=media&#x26;token=facd4f4a-61ad-4d47-a64e-e8e9214cd371" alt="Manage members interface"><figcaption><p>Manage members interface</p></figcaption></figure>

### Manage Tenant, Groups, and Organizations

Snyk groups and organizations help to maintain collaboration across teams. For details, see [Tenant, Groups, and Organizations](https://docs.snyk.io/snyk-platform-administration/groups-and-organizations).

### Define notifications

You can manage email notifications for yourself and your Organization. For details, see [Manage notifications](https://docs.snyk.io/snyk-platform-administration/manage-notifications).

<figure><img src="https://2533899886-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MdwVZ6HOZriajCf5nXH%2Fuploads%2Fgit-blob-1f762c3614c7b92aa7af34c858371c043b590007%2Fimage%20(6).png?alt=media&#x26;token=efc46900-a9e3-4b40-9071-4c8de63ce24f" alt="Manage email notifications interface"><figcaption><p>Manage email notifications interface</p></figcaption></figure>

### Manage settings

You can customize your Snyk account to suit your work process. For details, see [Manage settings](https://docs.snyk.io/snyk-platform-administration/groups-and-organizations/group-and-organization-settings).


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