Returns a user's list of friends in a specific subdirectory. 

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

~/Workarea/webservices/WebServiceAPI/Community/Friends.asmx

[SoapHeader("AuthHeader")]
[SoapHeader("RequestInfoHeader")]
[WebMethod(MessageName = "GetFriends with paging info for directory", Description = "Returns a user's list of friends in a specific subdirectory.")]
public DirectoryUserData[] GetFriends(long userId, PagingInfo pagingInfo, long directoryID);

<SoapHeader("AuthHeader")>
<SoapHeader("RequestInfoHeader")>
<WebMethod(MessageName = "GetFriends with paging info for directory", Description = "Returns a user's list of friends in a specific subdirectory.")>
Public Function GetFriends(userId As long, pagingInfo As PagingInfo, directoryID As long) As DirectoryUserData()