There are two ways to access. One is to access from 'Add' (Plus) button.
Another way is to access from a column header menu.
Which column has text data to tokenize? - Set a column of which you want to split the text or tokenize.
How do you want to tokenize? (Optional) - The default is "words". Select the unit of token from
"By regular expression"
Keep Other Columns (Optional) - The default is FALSE. Whether existing columns should remain.
Return Result in (Optional) - The default is TRUE. Whether output should be lower cased.
Keep Original Column (Optional) - The default is TRUE. Whether input column should be removed.
Output Column Name (Optional) - The default is "token". Set a column name for the new column to store the tokenized values.
Generate Document ID (Optional) - The default is TRUE. Whether output should contain original document id and sentence id in each document.