Sooner or later, you will have a lot of posts on the Message Boards. Therefore, it is useful to allow users to generate content post and classify that content post in their own unique way. Let's first experience tagging assets.
As an administrator at the enterprise "Palm Tree Publications", you may need to add tags "liferay" and "book" in the post "RE: Let's discuss book Liferay". Let's do it by following these steps: