Sample code for custom Episerver activity.

ContentSecurityActivity.cs

using System.Collections.Generic;
using EPiServer.DataAbstraction.Activities;

namespace EpiAuditLogging.Web.Features.AuditLogging
{
    public class ContentSecurityActivity : Activity
    {
        /// <summary>
        /// Name of this activity (used for example to register this activity).
        /// </summary>
        public const string ActivityTypeName = "ContentSecurity";

        /// <summary>
        /// Creates a new instance using the given action type.
        /// </summary>
        /// <param name="action">What kind of action was done, <see cref="ContentSecurityActionType"/>.</param>
        public ContentSecurityActivity(ContentSecurityActionType action) : base(ActivityTypeName, (int)action, new Dictionary<string, string>(0)) { }

        /// <summary>
        /// Creates a new instance using the action type and dictionary containing the data that will be logged.
        /// </summary>
        /// <param name="action">What kind of action was done, <see cref="ContentSecurityActionType"/>.</param>
        /// <param name="extendedData">The data in dictionary that will be logged to the activity log.</param>
        public ContentSecurityActivity(ContentSecurityActionType action, IDictionary<string, string> extendedData) : base(ActivityTypeName, (int)action, extendedData) { }
    }
}