- kind: transformer
  name: tokenize_string_to_int
  output_type: INT_LIST_COLUMN
  path: ./tokenize_string_to_int.py
  inputs:
    columns:
      col: STRING_COLUMN
    args:
      max_len: INT
      vocab: {STRING: INT}

- kind: transformed_column
  name: embedding_input
  transformer: tokenize_string_to_int
  inputs:
    columns:
      col: review
    args:
      max_len: max_review_length
      vocab: reviews_vocab