> For the complete documentation index, see [llms.txt](https://kodestat.gitbook.io/elementor/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://kodestat.gitbook.io/elementor/01.-the-editor-panel.md).
# 01. The Editor Panel
### Let's add the Markup first
You can use any editor like Sublime, Atom Etc to edit files. The First thing we are going to do is edit `panel.php` which contains the **Editor Panel** Markup. You can find the file in following directory
`elementor/includes/editor-templates/`
You will find many templates like below in the `panel.php`
```php
```
### Creating Override for Default Markup Templates
#### **The Responsive Devices list Template**
```php
```
**Responsive Switcher Template**
```php
```
So we have to replace both templates in `panel.php` and the following code is the modified codes.
{% hint style="warning" %}
Please use copy button of the code panel, if you do manual select ,copy , paste it might break the code ! Gitbook Bug i guess..
{% endhint %}
{% code title="panel.php" %}
```php
documents->get( $this->get_post_id() );
?>
```
{% endcode %}
Each device is specified by name that used in `data-device-mode` attribute (**Line 72**) . which tells the editor what device you are using when ever you switch to responsive breakpoints.\
\
If you check the code i added devices with name convention `widthABC` where `ABC` is specified the width i added like example `width640` for `640px`
{% hint style="info" %}
Please make sure each device name should be unique
{% endhint %}
We added devices to responsive switchers that we created in `devices` array variable **(Line 278)**
### Files Attachment
In case you need more reference you can check the modified files i have included.
{% file src="/files/-LHnqIJ7CPXjhzsv6pLy" %}
---
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