Umbraco-CMS/src/Umbraco.Infrastructure/Persistence/DatabaseAnnotations/NullSettingAttribute.cs

using System;

namespace Umbraco.Cms.Infrastructure.Persistence.DatabaseAnnotations
{
    /// <summary>
    /// Attribute that represents the Null-setting of a column
    /// </summary>
    /// <remarks>
    /// This should only be used for Columns that can be Null.
    /// By convention the Columns will be "NOT NULL".
    /// </remarks>
    [AttributeUsage(AttributeTargets.Property)]
    public class NullSettingAttribute : Attribute
    {
        /// <summary>
        /// Gets or sets the <see cref="NullSettings"/> for a column
        /// </summary>
        public NullSettings NullSetting { get; set; }
    }
}