code: def filename_formatters(self, data, row):
          
  
          r = {
              "source" : data.get("source"),
              "field" : self.field,
              "type" : data.get("type")
          }
          r.update(**row)
          return r
docs: Returns a dict containing the various filename formatter values
  
          Values are gotten from the vaping data message as well as the
          currently processed row in the message
  
          - `data`: vaping message
          - `row`: vaping message data row