code: def get_template_parameters_file(template_full_path):
      
      for suffix in EFConfig.PARAMETER_FILE_SUFFIXES:
        parameters_file = template_full_path.replace("/templates", "/parameters") + suffix
        if exists(parameters_file):
          return parameters_file
        else:
          continue
      return None
docs: Checks for existance of parameters file against supported suffixes and returns parameters file path if found
      Args:
        template_full_path: full filepath for template file
      Returns:
        filename of parameters file if it exists