Topic Mappings
A topic mapping maps a back end Kafka topic to a front end URL that a client will use to stream data from that topic.
The screenshot below shows three topic mappings for the given Kafka broker:

In the example above, data from the Kafka topic sandbox.fx will be streamed to clients who subscribe to https://fwxwm5sg.streaming.tenefit.cloud/topic/sandbox.fx
Adding a Topic Mapping
To add a topic mapping, click the + button:

You can have multiple endpoints pointing to the same Kafka topic.
Deleting a Topic Mapping
You can delete any topic mappings you don't need with the delete button:

Topic mappings can include filtering by message key or header to reduce or restrict messages that clients should receive.