/// \param theError the error string message if validation fails
virtual bool isValid(const std::shared_ptr<ModelAPI_Feature>& theFeature,
const std::list<std::string>& theArguments,
- std::string& theError) const = 0;
+ Events_InfoMessage& theError) const = 0;
/// Returns true if the attribute in feature is not obligatory for the feature execution
virtual bool isNotObligatory(std::string theFeature, std::string theAttribute) = 0;