WC Vendors Pro add custom shipping providers

functions.php

// OPTION #1 -- Add additional providers to the list of what we already include with Pro.  This will simply
// add more shipping providers, and keep the ones that are already there.
/* WC Vendors Pro replace shipping providers with custom list */
function custom_shipping_providers( $providers ){ 
	$providers[ 'Country' ] = array(
				'Shipping Company #1' => 'http://their-website-for-tracking.com/%1$s',
				'Shipping Company #2' => 'https://another-website-for-tracking.com/?tracking=%1$s', 
			); 
	return $providers;
}
add_filter( 'wcv_shipping_providers_list', 'custom_shipping_providers' ); 


// OPTION #2 -- REPLACE all shipping providers, and use your custom list of them
// This will remove all shipping providers that come with Pro, and replace them ONLY
// with the ones you code below:
/* WC Vendors Pro add custom shipping providers */
/* Note:  Replace 'Shipping Providers:' with whatever title you want it to display as.  Leave as is otherwise.  */
function custom_shipping_providers( $providers ){
        $providers = array( 'Shipping Providers:' => array( // Change Your Title to something else
                                'Shipping Company #1' => 'http://their-website-for-tracking.com/%1$s',
                                'Shipping Company #2' => 'https://another-website-for-tracking.com/?tracking=%1$s',
                        ));
        return $providers;
}
add_filter( 'wcv_shipping_providers_list', 'custom_shipping_providers' );