---
id: gk-foundation-merge-tags-definition-rejected
title: "Action - gk/foundation/merge-tags/definition-rejected"
sidebar_label: "gk/foundation/merge-tags/definition-rejected"
---

# Action: gk/foundation/merge-tags/definition-rejected

Fires when a definition is dropped before merge for failing the well-formedness check.

## Parameters

| Name | Type | Description |
|------|------|-------------|
| $product | `string\|int` | The definition's map key. |
| $definition | `mixed` | The rejected definition. |
| $reason | `string` | Why it was rejected. |

### Source

Defined in `MergeTags/Registry.php` at line 295