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

# Add column

> Add a new column to an existing table. Also creates empty cells for all existing rows. For select/multiSelect: provide selectOptions (array of label…

`add_column`

Add a new column to an existing table. Also creates empty cells for all existing rows. For select/multiSelect: provide selectOptions (array of label strings). For oneMany: provide linkedTableId. For formula: create the column, then use set\_formula separately.

## Parameters

*This tool takes no parameters.*