.. _c3_add_topics: ####################################### Create Topics Using |c3-short| for |cp| ####################################### Add topics to a cluster. You can add a topic with default settings, or add a topic with customized settings. .. _c3_add_topic_defaults: Add a topic with default settings ================================= #. Select a cluster from the navigation bar and click the **Topics** menu. The :ref:`c3_all_topics` opens. #. Click **Add a Topic**. .. figure:: /images/c3-topics-new-topic.png :width: 600px :alt: New topic form in Control Center New topic form in Control Center #. Enter a unique topic name. .. note: The name cannot be edited after the topic has been saved. #. Select or type a custom number of partitions. #. Click **Create with defaults**. The topic is created and the overview page opens for the topic. .. _c3_add_topic_custom: Add a topic with custom settings ================================ On the customize settings form, a variety of other settings are available. This is not an exhaustive list, but the most commonly modified settings are available. After a topic has been created, further modification of topic settings can be done using the :ref:`Edit Settings ` form. #. Select a cluster from the navigation bar and click the **Topics** menu. The :ref:`c3_all_topics` opens. #. Click **Add a Topic**. #. Enter a unique topic name. .. note:: The topic name and the number of partitions cannot be edited after the topic has been saved. To learn more about topic configuration overrides, creating and deleting topics on the command line, and changing the replication factor, see `Topic-level configs `__ and :ref:`Kafka Operations Post-Deployment `. #. Select or type a custom number of partitions. #. Click **Customize Settings**. .. figure:: /images/c3-topics-new-topic-custom-settings.png :width: 600px :alt: New topic with Customized Settings in Control Center New Topic with Customized Settings The **Topic Summary** panel shows a summary of values that will be used to create the topic. If a dashed line (**- -**) is shown under a configuration option, that setting will inherit the cluster default. #. Make your additional selections or changes to the custom settings. #. (Optional) To edit **Expert Settings** when adding a topic, select **Manually configure other topic configuration options**. .. figure:: /images/c3-topics-expert-settings.png :width: 600px :alt: New topic with Expert Settings in Control Center #. Click **Save & create**. To return to the create with defaults form without customizing settings, click **Back** before saving.