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In the magento backend under Stores -> Configuration some of the fields have the "Use system value" checkbox next to them and some don't have it.

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Checking the checkbox "restores" the field to the default value (which is defined in module's config.xml file).

How can I implement this "Use system value" checkbox in a custom module? Is it possible?

When I add custom config fields to my module, they don't have this "Use system value" checkbox.

1 Answer 1

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canRestore property

etc/adminhtml/system.xml

<field id="some" translate="label" type="text" sortOrder="30" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
    ...
</field>

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