def get_attachment_links(scenario_json):
    """get links to static scenario results"""
    attachment_links = {}
    for result in scenario_json['result_set']:
        if result['attachment_url']:
            result_name = result['result_type']['name']
            attachment_links[result_name] = result['attachment_url']
    if attachment_links:
        return attachment_links
    else:
        return None
