---
title: "by compare key · RUAL Documentation"
description: "Merge array increment by deep key"
canonical: https://docs.rual.nl/block-types/array/array_merge_increment_deep_key
language: en
---

# by compare key

This block is part of the [`array`](https://docs.rual.nl/block-types/array) group and was last modified in core [`v13.0.8`](https://docs.rual.nl/core-versions/130008).

Merge array increment by deep key

| `merge increment deep key` |
| --- |
| `merge deep` |

### Core Releases