code: def get_metadata(self):
      return self.artifact.metadata.metadata
  
file_path: FATE/python/fate/components/core/component_desc/artifacts/data/_unresolved.py
imports: from pathlib import Path
  from fate.components.core.essential import DataUnresolvedArtifactType
  from .._base_type import URI, ArtifactDescribe, DataOutputMetadata, Metadata, _ArtifactType, _ArtifactTypeReader, _ArtifactTypeWriter
label_desc: Use image node_id 1 for calling the DataUnresolvedReader obj's underlying member method code with example usage: obj.get_metadata() and returns: self