# Add custom topics in your private re:Post
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As an private re:Post administrator, you can add custom topics that the users in your private re:Post can use.

A topic is a curated domain that you and your users can assign to content that's posted in your private re:Post. Topics provide you access to content that's aggregated from a set of related tags.

Follow these steps to add topics to your private re:Post:

1. In your re:Post Private web application, choose your profile, and then choose **Administration**.

1. Choose **Content classification**.

1. Choose **Topics**, and then choose **Create topic**.

1. In the **Create new topic** dialog box, do the following:

   For **Name**, enter a name for the custom topic.
**Note**  
You can't start the topics with `AWS` or `Amazon`.
You can't enter duplicate topics.

   For **Brief description**, enter a description for your topic.

   For **Full description**, enter a detailed description for your topic.

   For **Included tags**, select all tags that you want to include in this topic. You can only choose custom tags to include in a custom topic.

   Choose **Create**.

The topics that you added are displayed in the list under the **Topics** section. If a user posts a question, article, or selection with the tag that you included in the custom topic, then your private re:Post adds the topic to this content.

Also, a new community group is created for the custom topic that you added. You can see this new community group under the **Community groups** tab.