# Installing for ESX

To integrate ZeroTrust with an ESX-based server, you'll need to put your admin groups in `Cfg.WhitelistedGroups` inside `config.lua` with the following code to ensure proper compatibility:

```lua
Cfg = {}

Cfg.WhitelistedGroups = { 
     ["mod"] = true,
     ["admin"] = true,
     ["superadmin"] = true,
}
```

This ensures that ZeroTrust correctly retrieves the player's admin group, allowing it to recognize different permission levels (e.g., "superadmin") within your ESX framework. 

Make sure you have ESX installed and properly configured before making these changes. If you're running the latest version of ESX, this updated function is essential for correct operation.

{% hint style="info" %}
ZeroTrust caches the result of the admin group after the first use per player. This ensures that each player's admin group is **checked only once**, **minimizing unnecessary calls** and avoiding potential spam.
{% endhint %}