code: def unk_id(self):
      return self.tokenizer.subword_to_id("<UNK>")
  
file_path: NeMo/nemo/collections/common/tokenizers/youtokentome_tokenizer.py
imports: from pathlib import Path
  import youtokentome
  from nemo.collections.common.tokenizers import TokenizerSpec
label_desc: Use image node_id 11 for calling the YouTokenToMeTokenizer obj's underlying member method code with example usage: obj.unk_id() and returns: self