> For the complete documentation index, see [llms.txt](https://solaartw.gitbook.io/developer/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://solaartw.gitbook.io/developer/documentation/utilities/cyberpunk-engine-tweaks/guides/usage.md).
# Usage
How to use the Cyber Engine Tweaks Overlay.
### What is the Overlay?
The Cyber Engine Tweaks (CET) Overlay is the interface of CET. Currently, it contains three tabs: [**Console**](https://wiki.redmodding.org/cyber-engine-tweaks/console/usage#console), [**Hotkeys**](https://wiki.redmodding.org/cyber-engine-tweaks/console/usage#hotkeys), and [**Settings**](https://wiki.redmodding.org/cyber-engine-tweaks/console/usage#settings).
### How to open the Overlay?
Upon the installation of CET, the overlay will appear automatically when you launch the game. You need to assign a hotkey to it before you can move on:
1. 1.Press the `NOT BOUND` button behind `Overlay Key:`.
2. 2.Press a key or a key combination on your keyboard after the button becomes `BINDING...` to bind it.
3. 3.Now the hotkey has bound, you can press that key anytime to open/close the Overlay.
Asign a key for opening/closing the Overlay
### Console
The console tab is where you type commands to use cheats and other useful functions.
**What the buttons and checkboxes do in the Console tab:**
| Button/Checkbox | Description |
| ---------------- | --------------------------------------------------------------------------------------------------------- |
| Clear Input | By checking this box, the commands you typed will also be cleared when you press the Clear Output button. |
| Clear Output | Clear the output log displayed in the console. |
| Scroll Output | Will automatically scroll to the bottom when there is a new output log. |
| Disable Game Log | Hide the game logs, which are produced by the game, from the console. |
| Reload All Mods | Reload all installed mods. |
**How to use the Console**
The console uses [Lua](https://www.lua.org/pil/1.html) script language, you may want to look up how to use it before proceeding.There are some guides here to get you started:[How do I \_\_\_\_?](https://wiki.redmodding.org/cyber-engine-tweaks/console/how-do-i)[Scripts](https://wiki.redmodding.org/cyber-engine-tweaks/scripts)
### Hotkeys
The Hotkeys tab is where you manage all the hotkeys of the mods you installed.CET does not allow mods to define default hotkeys. Thus, every time you install a new mod, you need to bind a hotkey for it, if it requires one.
* Binding hotkeys for a mod is the same as how you bind the hotkey for the CET Overlay.
* You can unbind a hotkey by pressing the `UNBIND` button behind it.
* To save the changes, press the `Save` button.
* Undefined hotkeys appear in red text. Unsaved changes appear in yellow text.
Bind/unbind hotkeys for mods
**If you have encountered troubles when using a mod, please read this FAQ page:**
[Mod FAQs](https://wiki.redmodding.org/cyber-engine-tweaks/console/mod-faqs)
### Settings
The Settings tab is where you change the Overlay open/close hotkey, and toggle the tweaks to Cyberpunk2077's game engine.You can find what each option does on this page:[Config File](https://wiki.redmodding.org/cyber-engine-tweaks/getting-started/configuration)
