ToolJet/docs/versioned_docs/version-2.17.0/app-builder/left-sidebar.md
Shubhendra Singh Chauhan 159678b27c
[docs] v2.17 (app-builder milestone 1.3) (#7390)
* PR 6797 & 6974

* pr #7142

* [docs]table ui revamp

* [doc]appbuilder ui revamp

* [docs]maps revamp

* [docs]table revamp

* docs v2.17
2023-09-13 18:31:21 +05:30

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Markdown

---
id: left-sidebar
title: Left-sidebar
---
Left-sidebar has the following options:
- **[Pages](#pages)**
- **[Inspector](#inspector)**
- **[Debugger](#debugger)**
- **[Global Settings](#global-settings)**
- **[Comments](#comments)**
- **[Theme switch](#theme-switch)**
<div style={{textAlign: 'center'}}>
<img className="screenshot-full" src="/img/v2-beta/app-builder/leftsidebar/leftnew.png" alt="App Builder: Left-sidebar"/>
</div>
## Pages
Pages allows you to have multiple pages in a single application, making your ToolJet applications more robust and user-friendly.
Check the detailed documentation for **[Pages](/docs/tutorial/pages)**.
<div style={{textAlign: 'center'}}>
<img className="screenshot-full" src="/img/v2-beta/app-builder/leftsidebar/pagesnew.png" alt="App Builder: Left-sidebar"/>
</div>
## Inspector
The Inspector can be used to inspect the data of the **queries**, properties and values of the **components** that are there on the canvas, ToolJet's global variables and the variables that have been set by the user.
Check the detailed guide on **[using Inspector](/docs/how-to/use-inspector)**.
<div style={{textAlign: 'center'}}>
<img className="screenshot-full" src="/img/v2-beta/app-builder/leftsidebar/inspectornew.png" alt="App Builder: Left-sidebar"/>
</div>
## Debugger
Debugger records any errors that occur during the execution of queries. For instance, if a database query fails because the database is unavailable or if a REST API query fails due to an incorrect URL, the errors will be captured and shown in the debugger. Additionally, the debugger provides pertinent information associated with the error alongside the error message.
If you wish to prevent the debugger from closing, you can simply click on the pin icon located in the top-right corner. By doing so, the debugger will stay open until you decide to unpin it.
Debugger consists of two main sections:
1. **All Log:** In this section, you can view a comprehensive list of all the logs generated during the execution of the application. These logs may include various types of messages, such as success messages, warning, and error messages.
2. **Errors:** This section specifically focuses on displaying the error messages that occurred during the program's execution. These error messages indicate issues or problems that need attention, as they may lead to unexpected behaviors of the application.
<div style={{textAlign: 'center'}}>
<img className="screenshot-full" src="/img/v2-beta/app-builder/leftsidebar/newdebugger.gif" alt="App Builder: Left-sidebar"/>
</div>
## Global Settings
To configure the app's global settings, click on the kebab menu(three vertical dots) on the left of the app name. Global settings include:
- **Hide header for launched apps**: Toggle this on to the hide the tooljet's header when the applications are launched
- **Maintenance mode**: Toggle this on to put the application in maintenance mode. When in **maintenance mode**, on launching the app, the user will get an error message that **the app is under maintenance**.
- **Max width of canvas**: Modify the width of the canvas in **px** or **%**. The default width is 1292 px.
- **Max height of canvas**: Modify the width of the canvas in **px** or **%**. The default height is 2400 px and currently it is the maximum height limit.
- **Background color of canvas**: Enter the hex color code or choose a color from the picker to change the background color of the canvas. You can also click on the **Fx** to programmatically set the value.
<div style={{textAlign: 'center'}}>
<img className="screenshot-full" src="/img/v2-beta/app-builder/leftsidebar/globalnew.png" alt="App Builder: Left-sidebar"/>
</div>
## Comments
Comment anywhere on the canvas and collaborate with other users in the workspace. Click on the comments button to enable it and then drop comment anywhere on the canvas.
<div style={{textAlign: 'center'}}>
<img className="screenshot-full" src="/img/v2-beta/app-builder/leftsidebar/commentnew.png" alt="App Builder: Left-sidebar"/>
</div>
## Theme Switch
Use the theme switch button to toggle ToolJet between light and dark modes.
While developers can access the current theme's value through global variables using `{{globals.theme.name}}`, it is not currently feasible to change the theme programmatically.
<div style={{textAlign: 'center'}}>
<img className="screenshot-full" src="/img/v2-beta/app-builder/leftsidebar/theme.png" alt="App Builder: Left-sidebar"/>
</div>