Model
Freemethod
Magento\Usps\Model\Source\Freemethod
What it does
This class provides a dropdown list of USPS shipping methods for configuring free shipping options in Magento's admin panel.
It extends the standard USPS Method source model and adds a 'None' option at the beginning of the list, allowing administrators to disable free shipping or select which USPS method should be offered for free when free shipping conditions are met.
Public Methods
- toOptionArray()