Today, we will guide you can how to additonalClasses for Tab in Magento 2 UI component form. for example, add general tab in category page
Create category_form.xml
a file in the below directory app/code/Vendor/Module/view/adminhtml/ui_component/
we used the file: app/code/Vendor/Module/view/adminhtml/ui_component/category_form.xml
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<?xml version="1.0" encoding="UTF-8"?> <form xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Ui:etc/ui_configuration.xsd"> <fieldset name="general" sortOrder="5"> <settings> <additionalClasses> <class name="custom-general">true</class> </additionalClasses> </settings> </fieldset> </form> |
Now Run the cache:flush command
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php bin/magento cache:flush |
After you can check your category page in admin panel

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