# TYPO3 Extending extbase domain models

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## Installation

### via Composer

The recommended way to install EXT:extender is by using [Composer](https://getcomposer.org):

    composer require evoweb/extender

### quick introduction

Add the extending classname to your packages Services.yaml and add a tag to it.
The tag must contain the name 'extender.extends' and the class it is extending.

Services.yaml
```yaml
services:

  Fixture\ExtendingExtension\Domain\Model\BlobExtend:
    tags:
      -
        name: 'extender.extends'
        class: Fixture\BaseExtension\Domain\Model\Blob
```