def _convert_xml_to_retention_policy(xml, retention_policy):
    '''
    <Enabled>true|false</Enabled>
    <Days>number-of-days</Days>
    '''
    # Enabled
    retention_policy.enabled = _bool(xml.find('Enabled').text)

    # Days
    days_element = xml.find('Days')
    if days_element is not None:
        retention_policy.days = int(days_element.text)
<Enabled>true|false</Enabled>
    <Days>number-of-days</Days>