code: def get_name(self):
          
          ns = {'ns': '{%s}' % BPMN_MODEL_NS}
          for path in ('.//{ns}process',
                       './/{ns}collaboration',
                       './/{ns}collaboration/{ns}participant/'):
              tag = self.doc_xpath(path.format(**ns))
              if tag:
                  name = tag[0].get('name')
                  if name:
                      return name
          return self.get_id()
docs: Tries to get WF name from 'process' or 'collobration' or 'pariticipant'
  
          Returns:
              str. WF name.