PageNavigationComponent.cs

[Component()]
// Adding the Pagetree to the product catalog, allowing to drag & drop Page in ContentArea
public class PageNavigationComponent : ComponentDefinitionBase
{
    public PageNavigationComponent()
        : base("epi-cms.component.MainNavigationComponent")
    {
        LanguagePath = "/episerver/cms/components/pagetree";
        SortOrder = 150;
        PlugInAreas = new string[] { "/episerver/commerce/mainnavigation/defaultgroup" };
        Settings.Add(new Setting("repositoryKey", PageRepositoryDescriptor.RepositoryKey));
    }
}