code: def create_tag(self, version, params):
          
          cmd = self._command.tag(version, params)
  
          (code, stdout, stderr) = self._exec(cmd)
  
          if code:
              raise errors.VCSError('Can\'t create VCS tag %s. Process exited with code %d and message: %s' % (
                  version, code, stderr or stdout))
docs: Create VCS tag
  
          :param version:
          :param params:
          :return: