Copy and paste following codes on your child theme’s functions.php file. Change the page-slug into you custom login page’s slug.

WPCargo user roles:

• administrator
• wpcargo_employee
• wpcargo_client
• wpcargo_driver
• cargo_agent

add_filter('login_redirect', 'custom_page');
function custom_page() {
	/*
	 * Redirect into specific page after specific user role successfuly logged in
	 */
	$current_user = wp_get_current_user();
	// Ddministrator
	if( in_array( 'administrator', $current_user->roles ) ){
		return home_url( '/custom-page-slug' );
	}
	// WPCargo Client
	if( in_array( 'wpcargo_client', $current_user->roles ) ){
		return home_url( '/custom-page-slug' );
	}    
}