# Reply to forum posts

To reply to a specific post from the thread you must perform the following:

To mark a thread as spam, you must perform the following:

1. Get an instance of the manager.\
   Get instance of the `ForumsManager` object.
2. Create the post.\
   For more information, see [For developers: Create forum posts](https://www.progress.com/documentation/sitefinity-cms/for-developers-create-forum-posts).
3. Specify the reply-to post.\
   Set the `ReplyToPostId` property of the `ForumPost` instance to the ID of the reply-to post.
4. Save the changes.\
   Save the changes to the manager.

Here is a code example:

```C#
using System;
using Telerik.Sitefinity.Forums;
using Telerik.Sitefinity.Forums.Model;

namespace SitefinityWebApp
{
    public class ReplyToForumPosts_ReplyToPost
    {
        public void ReplyToPost(string postTitle, string postContent, Guid threadId, Guid parentPostId)
        {
            ForumsManager forumsManager = ForumsManager.GetManager();

            ForumPost post = forumsManager.CreatePost();

            post.Title = postTitle;
            post.Thread = forumsManager.GetThread(threadId);
            post.Content = postContent;
            post.LastModified = DateTime.UtcNow;

            post.IsPublished = true;

            post.ReplyToPostId = parentPostId;

            forumsManager.SaveChanges();

        }
    }
}
```