silverstripe-webpack/app/_config/extensions.yml

---
Name: webapp-extensions
---
# Basic extensions

SilverStripe\Admin\LeftAndMain:
  extensions:
    - Site\Extensions\LeftAndMainExtension

SilverStripe\SiteConfig\SiteConfig:
  extensions:
    - Site\Extensions\SiteConfigExtension

SilverStripe\CMS\Model\SiteTree:
  extensions:
    - Site\Extensions\SiteTreeExtension

Sheadawson\Linkable\Models\EmbeddedObject:
  extensions:
    - Site\Extensions\EmbeddedObjectExtension

Dynamic\FlexSlider\Model\SlideImage:
  extensions:
    - Site\Extensions\SlideImageExtension

SilverStripe\Core\Injector\Injector:
  SilverStripe\UserForms\Model\UserDefinedForm:
    class: Site\Extensions\CMSMain_HiddenClass
  SilverStripe\Security\MemberAuthenticator\LostPasswordHandler:
    class: Site\Extensions\LostPasswordHandlerExtension
  Sheadawson\Linkable\Forms\EmbeddedObjectField:
    class: Site\Extensions\EmbedObjectField

# User Forms module
SilverStripe\UserForms\Form\UserForm:
  extensions:
    - Site\Extensions\PlaceholderFormExtension

SilverStripe\UserForms\Model\UserDefinedForm:
  extensions:
    - Site\Extensions\UserDefinedFormExtension

DNADesign\ElementalUserForms\Model\ElementForm:
  extensions:
    - Site\Extensions\UserDefinedFormExtension

# Blog + Widgets module extensions
Page:
  extensions:
    - SilverStripe\Widgets\Extensions\WidgetPageExtension

SilverStripe\Blog\Model\BlogPost:
  extensions:
    - Site\Extensions\BlogPostExtension