code: def start_capture(self, data_link_type="DLT_EN10MB", capture_file_name=None):
          
  
          self._capturing = True
          self._capture_file_name = capture_file_name
          self._streaming_pcap = asyncio.async(self._start_streaming_pcap())
          self._project.controller.notification.emit("link.updated", self.__json__())
docs: Start capture on the link
  
          :returns: Capture object