<req-attr:RequestedAttributes>
<md:RequestedAttribute isRequired="true"
NameFormat="urn:oasis:names:tc:SAML:2.0:attrname-format:uri"/>
<md:RequestedAttribute isRequired="true"
Name="signicat:param:additional-param">
<saml:AttributeValue xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:xs="http://www.w3.org/2001/XMLSchema" xsi:type="xs:string">Additional param
<md:RequestedAttribute isRequired="false"
Name="signicat:param:additional-param1">
</req-attr:RequestedAttributes>