Knowledge about SharePoint discussion board

Some knowledge about SharePoint discussion boards may be used in recent company projects. The requirement is as follows: In the reply, you can only view the information of the login and topic publisher.
For example, if I publish a message, let the three ABC users see that they can reply, but they cannot see the content between them. They can only see the reply between me and them. I can see all their replies.
A can only view the communication content between me and. B can only view the communication content between me and B. C can only see the communication content between me and C. Some friends told me to use WF settings. First, we will discuss how to grant the Board permission to ABC. Then, add a workflow to the reply, disconnect the permission, and only the poster and the reply recipient are visible. But I still don't understand the specific practice, so let's start with the basic knowledge. Forum introduction SharePoint 2010 creates a forum template in the "communication" category. We can create more discussion board instances based on the "discussion board list template, the created discussion board list contains several basic columns by default. In addition to these columns, you can also create custom columns. You can also delete the default columns, which can be added or deleted as needed. Forum creation open site-website operations-more options-all types (Communication)-discussion board, enter a name, and click Create. Created discussion board:
Create an instance and click "Add new discussion. Content
After the instance is saved, a new instance is displayed in the Forum.
Click the title to enter the discussion.
Click "reply.
By default, the title and content of the topic and related information are displayed. Of course, you can delete them. Click Save to view the effect.
Click Show reference email to view your reference information.