sample_config.json

{
  "transformations": [
    {
      "field_id": "password_hash",
      "tap_stream_name": "stream-id-sent-by-the-tap",
      "type": "MASK-HIDDEN"
    },
    {
      "field_id": "salt",
      "tap_stream_name": "stream-id-sent-by-the-tap",
      "type": "HASH"
    },
    {
      "field_id": "value",
      "tap_stream_name": "stream-id-sent-by-the-tap",
      "type": "SET-NULL",
      "when": [
        {"column": "string_column_1", "equals": "Property" },
        {"column": "numeric_column", "equals": 200 },
        {"column": "string_column_2", "regex_match": "sensitive.*PII" },
        {"column": "json_column", "field_path": "metadata/comment", "regex_match": "sensitive" }
      ]
    },
    {
      "field_id": "metadata",
      "tap_stream_name": "stream-id-sent-by-the-tap",
      "type": "MASK-HIDDEN",
      "field_paths": ["user/address", "user/zip_code"]
    }
  ]
}