# Account Linking

The **Sentinel Account Linking** system allows users to seamlessly link their **Discord and Roblox accounts** for improved moderation, verification, and user management. By associating a player’s Roblox identity with their Discord profile, server administrators can enforce **role-based permissions, automate rank assignments, and enhance security** across platforms.

### **Key Features**

#### **1. Easy One-Command Verification**

Users can link their accounts in seconds using:

```
/verify  
```

* Prompts the user to log in via **Roblox OAuth**.
* Confirms ownership of the Roblox account.
* Stores the verified connection for future use.

#### **2. Role-Based Automation**

{% hint style="info" %}
Learn more about [Role Synchronization](role-synchronization).
{% endhint %}

* **Auto-Assign Roles:** Automatically assign Discord roles based on **Roblox Group ranks**, gamepasses, or badges.
* **Group Rank Syncing:** Keep Discord roles updated with a user’s **Roblox Group status**.
* **VIP & Premium Perks:** Restrict specific channels or in-game features to **verified users only**.

{% hint style="info" %}
To restrict in-game features to verified users only you need to use the METALink Registry API. Learn more about it [here](../../open-cloud-api/metalink-registry-api).
{% endhint %}

### **Getting Started**

#### **Linking a Roblox Account**

1. Run `/verify` in your **Discord server**.
2. Click the **OAuth login link** provided by Sentinel.
3. Sign in with your **Roblox account** to confirm ownership.
4. Once verified, your Discord and Roblox accounts will be **linked**.

### **Frequently Asked Questions**

**Q: Can users link multiple Roblox accounts to one Discord?**\
No, each Discord account can only be linked to **one Roblox account** for security reasons.

**Q: What happens if a user changes their Roblox username?**\
Sentinel will **update the linked account upon them re-verifying.**
