public TypeValuePair evaluate(final FormulaContext context, final ParameterCallback parameters)
throws EvaluationException
{
if (parameters.getParameterCount() != 0)
{
throw new EvaluationException(LibFormulaErrorValue.ERROR_ARGUMENTS_VALUE);
}
return new TypeValuePair(TextType.TYPE, context.getConfiguration().getConfigProperty(ReportEngineParameterNames.AUTHOR));
}