docs: def trace_modules(self, modules, pattern=r".*", flags=re.IGNORECASE):
          """
          Traces given modules using given filter pattern.
  
          :param modules: Modules to trace.
          :type modules: list
          :param pattern: Matching pattern.
          :type pattern: unicode
          :param flags: Matching regex flags.
          :type flags: int
          :return: Method success.
          :rtype: bool
          """
  
          try:
              pattern = re.compile(pattern, flags)
          except Exception:
              raise foundations.exceptions.UserError(
                  "{0} | Invalid objects trace filter pattern: Regex compilation failed!".format(self.__class__.__name__))
  
          for module in modules:
              foundations.trace.trace_module(module, foundations.verbose.tracer, pattern)
          self.__model__refresh_attributes()
          return True