code: public AbstractPrintQuery addAttributeSet(final String _setName)
          throws EFapsException
      {
          final Type type = getMainType();
          if (type != null) {
              final AttributeSet set = AttributeSet.find(type.getName(), _setName);
              addAttributeSet(set);
          }
          return this;
      }
docs: Add an AttributeSet to the PrintQuery. It is used to get editable values
  from the eFaps DataBase.
  
  @param _setName Name of the AttributeSet to add
  @return this PrintQuery
  @throws EFapsException on error