C# Workflow Engine Class

WorkflowEngine.cs

using System;
using System.Collections.Generic;

namespace Sandbox
{
    public interface IActivity
    {
        void Execute();
    }

    public class VideoUpload : IActivity
    {
        public void Execute()
        {
            Console.WriteLine("Uploading video..."); 
        }
    }
    public class NotifiyWebService : IActivity
    {
        public void Execute()
        {
            Console.WriteLine("Notifiying web service..."); 
        }
    }
    public class SendEmail : IActivity
    {
        public void Execute()
        {
            Console.WriteLine("Sending email..."); 
        }
    }
    public class UpdateDatabase : IActivity
    {
        public void Execute()
        {
            Console.WriteLine("Updating database..."); 
        }
    }
    
    public class WorkflowEngine
    {
        private readonly IList<IActivity> _activities;

        public WorkflowEngine(IList<IActivity> activities)
        {
            _activities = activities;
        }

        public void Run()
        {
            foreach (var activity in _activities)
            {
                activity.Execute();
            }
        }
    }
}