spacewander commented on code in PR #7059:
URL: https://github.com/apache/apisix/pull/7059#discussion_r874478724
##########
docs/en/latest/pubsub.md:
##########
@@ -58,6 +58,192 @@ Apache APISIX implement an extensible pubsub module, which
is responsible for st
- Implement the required message system instruction processing functions
- Optional: Create plugins to support advanced configurations of this
messaging system
-### Example
+### Example of Apache Kafka
-TODO, an example will be added later to point out how to support other
messaging systems.
+#### Add new commands and response body definitions to `pubsub.proto`
+
+The core of the protocol definition in `pubsub.proto` is the two parts
`PubSubReq` and `PubSubResp`.
+
+First, create the `CmdKafkaFetch` command and add the required parameters.
Then, register this command in the list of commands for `req` in `PubSubReq`,
which is named `cmd_kafka_fetch`.
+
+```protobuf
+message CmdKafkaFetch {
+ string topic = 1;
+ int32 partition = 2;
+ int64 offset = 3;
+}
+
+message PubSubReq {
+ int64 sequence = 1;
+ oneof req {
+ CmdKafkaFetch cmd_kafka_fetch = 31;
Review Comment:
Could you update the code?
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