code: def getFileName(self) -> str:
      return self.fileName
  
imports: import logging
  from datetime import datetime
  from typing import Dict, List
  from MONAILabelReviewerLib.MONAILabelReviewerEnum import SegStatus
  from MONAILabelReviewerLib.SegmentationMeta import SegmentationMeta
label_desc: Use image node_id 6 for calling the ImageData obj's underlying member method code with example usage: obj.getFileName() and returns: self