{__("Hi")},

{__("Your friend")} {$user->_data['name']} {__("invite you to our website")} {$system['system_title']}

{__("To complete the registration process, please follow this link")}:
{$system['system_url']}/signup?ref={$user->_data['user_name']}&invitation_code={$code}

{$system['system_title']} {__("Team")}