NLog.LayoutRenderers.AppSettingLayoutRenderer

public sealed class AppSettingLayoutRenderer : LayoutRenderer, IStringValueRenderer

Render value for Application setting retrieved from App.config or Web.config file.

public string Default { get; set; }

The default value to render if the AppSetting value is null.

public string Item { get; set; }

The AppSetting item-name

public string Name { get; set; }

Obsolete and replaced by Item with NLog v4.6. The AppSetting item-name