However, this means you will have to load Font Awesome, which may slow down your WordPress admin area slightly (just a few milliseconds).
Before adding any code, you need to find the icon you want to use. Go to the Font Awesome website and go to the Free Library.
Font Awesome website
By clicking on the icon you want to use, it will open in a popup. From here, you need to copy the Unicode value of the icon.
Find unicode for the icon you want to use
After that, go to the Code Snippets ” + Add Snippet page in your WordPress dashboard.
Click the “+ Add custom snippet” button in the “Add your custom code (new snippet)” box.
Add new custom code snippet
On the next screen, provide a title for the snippet and select PHP Snippet as the Code Type option.
At this point, you can copy and paste the following code into the code editor:
Don't forget to replace \f015with the Unicode value you copied earlier.
The code will look like this in the code editor:
Adding font awesome code for a menu item
Next, you need to tell WordPress where to run the code.
The Admin menu icons appear within the WordPress admin area, so you can scroll down to the pakistan telemarketing data Admin section and select “For Admins Only” as the location option.
Load code location
Finally, switch the snippet to Active and click the 'Save Snippet' button to save your changes.
WordPress will start using the icon you selected for the Publish page.