> ## Documentation Index
> Fetch the complete documentation index at: https://hellocsv.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Column Types

This section lists the available column types.

## string

**Description:**\
Basic text column.

***

## number

**Description:**\
Numeric column.

***

## reference

**Description:**\
References data from another sheet.

**Additional:**\
`typeArguments: { sheetId: string, sheetColumnId: string }`

***

## calculated

**Description:**\
Computed column value (read-only).

**Additional:**\
`typeArguments: { getValue: (row: SheetRow) => ImporterOutputFieldType }`

***

## enum

**Description:**\
Column with predefined values.

**Additional:**\
`typeArguments: { values: SelectOption<string>[] }`