AndyButland

IConfigurationSection mySettingsSection = builder.Configuration.GetSection("MySettings");
builder.Services.Configure<MySettings>(mySettingsSection);

services.PostConfigure<MySettings>(options => 
{
  if(!options.MyOptions.Any(x => x.Alias == "itemOne"))
  {
    options.MyOptions.Add(new MyOption { Alias = "itemOne", Value = 0 });
  }
  

AndyButland

public class MySettings
{
  public List<MyOption> MyOptions { get; set; } = new List<MyOption>
  {
    new MyOption { Alias = "itemOne", Value = 0 },
    new MyOption { Alias = "itemTwo", Value = 0 },
  }
}

AndyButland

{
  "MySettings": {
    "MyOptions": [
      {
        "Alias": "itemOne",
        "Value": 1,
      },
      {
        "Alias": "itemTwo",
        "Value": 2,

AndyButland

public class MySettings
{
  public List<MyOption> MyOptions { get; set; }
}

public class MyOption
{
  public string Alias { get; set; }
	
  public int Value { get; set; }

AndyButland

using Umbraco.Cms.Core.Events;
using Umbraco.Cms.Core.Models;
using Umbraco.Cms.Core.Notifications;
using Umbraco.Cms.Core.Services;
using Umbraco.Cms.Core.Sync;

namespace Umbraco.Deploy.OnPrem.TestSite.Business
{
    public class DictionaryCacheRefresherNotificationHandler : INotificationHandler<DictionaryCacheRefresherNotification>
    {

AndyButland

@using Umbraco.Core.Services
@using Umbraco.Core
@using Umbraco.Core.Deploy

@inherits Umbraco.Web.Mvc.UmbracoViewPage

@using Umbraco.Web.Models

@{
    Layout = "Master.cshtml";

AndyButland

@*
    Demonstration of using the Umbraco Forms 13 API for retrieving the definition of a form, rendering it and posting an entry.
    It's based off an Umbraco content item with a property with alias "Form", of type "Form Picker".
*@

@using Microsoft.AspNetCore.Antiforgery
@using Microsoft.Extensions.Options;
@using Umbraco.Cms.Web.Common.PublishedModels;
@inherits Umbraco.Cms.Web.Common.Views.UmbracoViewPage<ContentModels.AJaxformPage>
@using ContentModels = Umbraco.Cms.Web.Common.PublishedModels;

AndyButland

    public void ConfigureServices(IServiceCollection services)
    {
        services.AddUmbraco(_env, _config)
            .AddBackOffice()
            .AddWebsite()
            .AddComposers()
            .Build();

        services.AddMyLibrary();
        services.ConfigureOptions<MyConfigureOptions>();

AndyButland

using Microsoft.Extensions.Options;
using Umbraco.Cms.Web.Common.ApplicationBuilder;

namespace MyApp
{
    public class MyConfigureOptions : IConfigureOptions<UmbracoPipelineOptions>
    {
        public void Configure(UmbracoPipelineOptions options)
        {
            options.AddFilter(new MyPipelineFilter());

AndyButland

using Microsoft.AspNetCore.Builder;
using Umbraco.Cms.Web.Common.ApplicationBuilder;

namespace MyApp
{
    public class MyPipelineFilter : UmbracoPipelineFilter
    {
        public MyPipelineFilter() : base(nameof(MyPipelineFilter))
        {
            PostPipeline = app =>