woogists

<?php

add_filter( 'wc_shipment_tracking_get_providers' , 'wc_shipment_tracking_add_custom_provider' );

/**
 * wc_shipment_tracking_add_custom_provider
 *
 * Adds custom provider to shipment tracking
 * Change the country name, the provider name, and the URL (it must include the %1$s)
 * Add one provider per line