GET https://sandbox.mont.ru/contentApi/version3/service/ContentServiceV3Xml.svc/GetAvaliableLanguages

<ArrayOfstring xmlns="http://schemas.microsoft.com/2003/10/Serialization/Arrays" xmlns:i="http://www.w3.org/2001/XMLSchema-instance">
    <string>RU</string>
    <string>EN</string>
    <string>AM</string>
</ArrayOfstring>

<GetAvaliableLanguages>
  <MethodParameters>
    <Void />
  </MethodParameters>
</GetAvaliableLanguages>

<GetAvaliableLanguages>
 <MethodParameters>
  <StringArray>
   <StringArray0>RU</StringArray0>
   <StringArray1>EN</StringArray1>
   <StringArray2>AM</StringArray2>
  </StringArray>
 </MethodParameters>
</GetAvaliableLanguages>