PageNotFoundContentFinder

PageNotFoundContentFinder.cs

public bool TryFindContent(PublishedContentRequest contentRequest)
{
    if (contentRequest.Is404)
    {
        var site = SiteHelpers.GetSite();
        var page404 = site.Get404Page();

        if (page404 != null)
        {
            contentRequest.PublishedContent = contentRequest.RoutingContext.UmbracoContext.ContentCache.GetById(page404.Id);
        }
    }

    return contentRequest.PublishedContent != null;
}