Returns an array of user group data based on the userName and userNameType. 

This method can be accessed through the User.asmx file located in:

~/Workarea/webservices/WebServiceAPI/User/User.asmx

[SoapHeader("AuthHeader")]
[SoapHeader("RequestInfoHeader")]
[WebMethod(MessageName = "GetUsers", Description = "")]
public UserGroupData[] GetUsers(string userNames, string userNameTypes);

<SoapHeader("AuthHeader")>
<SoapHeader("RequestInfoHeader")>
<WebMethod(MessageName = "GetUsers", Description = "")>
Public Function GetUsers(userNames As string, userNameTypes As string) As UserGroupData()