---
id: gk-query-filters-reference-blocked-columns
title: "Filter - gk/query-filters/reference/blocked-columns"
sidebar_label: "gk/query-filters/reference/blocked-columns"
tags:
  - "2.18.0"
---

# Filter: gk/query-filters/reference/blocked-columns

Modifies the columns a reference to a table may not read; the built-in columns always stay blocked.

## Parameters

| Name | Type | Description |
|------|------|-------------|
| $columns | `string[]` | The blocked columns. |
| $table | `string` | The table. |

### Since

- 2.18.0

### Source

Defined in `src/Util/ReferenceSql.php` at line 401