code: def SchemaAddAdvancedFeatures(builder, advancedFeatures):
      builder.PrependUint64Slot(6, advancedFeatures, 0)
  
imports: import flatbuffers
  from flatbuffers.compat import import_numpy
label_desc: Use image node_id 21 for calling a global function with example usage: SchemaAddAdvancedFeatures(builder, advancedFeatures) without return types