Discover query for SSAS server

<Discover xmlns="urn:schemas-microsoft-com:xml-analysis">
  <RequestType>MDSCHEMA_CUBESRequestType>
  <Restrictions />
  <Properties>
    <PropertyList>
      <Catalog>Adventure Works DWCatalog>
    PropertyList>
  Properties>
Discover>

<Discover xmlns="urn:schemas-microsoft-com:xml-analysis">
   <RequestType>DBSCHEMA_CATALOGSRequestType>
   <Restrictions />
   <Properties />
Discover>

<Discover xmlns="urn:schemas-microsoft-com:xml-analysis">
  <RequestType>MDSCHEMA_CUBESRequestType>
  <Restrictions />
  <Properties />Discover>