key	value	description
id required	`table`	When you specify this method, you must also specify `"type": "table"` in the field's parameters.
columns required	array	An array of objects with the following parameters: -`id` (required): The id for the column in the extraction output. To specify fallbacks, use the same ID for multiple columns. Succeeding columns act as fallbacks if the first returns null.

You can output the issuing financial institution and the displayed account number as separate columns, with a configuration like the following configuration.

Notes

To extract complex tables, for example tables inside tables or tables with labeled rows and columns, see Sections.