> ## 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.

# Lookup table columns

> Look up a table's columns by table name or ID. Returns column metadata (columnId, name, type, isIdentifier) so you can decide which columns to use as…

`lookup_table_columns`

Look up a table's columns by table name or ID. Returns column metadata (columnId, name, type, isIdentifier) so you can decide which columns to use as placeholders. Provide either tableName or tableId.

## Parameters

<ParamField path="tableName" type="string">
  The name of the table to look up (fuzzy-matched within the project).
</ParamField>

<ParamField path="tableId" type="string">
  The exact ID of the table.
</ParamField>