code: public String getIDPath()
      {
          String strIDPath = this.getID();
          if (this.getParentProxy() != null)
          {
              String strParentPath = this.getParentProxy().getIDPath();
              if (strParentPath != null)
                  strIDPath = strParentPath + PATH_SEPARATOR + strIDPath;
          }
          return strIDPath;
      }
docs: Get the object's lookup ID.