emqx/changes/ee/feat-13452.en.md

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Kafka producer action's `topic` config now supports templates.
The topics must be already created in Kafka. If a message is rendered towards a non-existing topic in Kafka (given Kafka disabled topic auto-creation), the message will fail with an unrecoverable error. Also, if a message does not contain enough information to render to the configured template (e.g.: the template is `t-${t}` and the message context does not define `t`), this message will also fail with an unrecoverable error.
This same feature is also available for Azure Event Hubs and Confluent Platform producer integrations.