[GitHub] [incubator-inlong-website] dockerzhang commented on a diff in pull request #392: [INLONG-391][Sort] Add some data node detail doc

[GitBox <gi...@apache.org>]

dockerzhang commented on code in PR #392:
URL: https://github.com/apache/incubator-inlong-website/pull/392#discussion_r890699991


##########
docs/data_node/extract_node/kafka.md:
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@@ -2,7 +2,62 @@
 title: Kafka
 sidebar_position: 3
 ---
+## Overview
+
+The Kafka extract node support read data from kafka. 
 
 ## Configuration
 the Dashboard has not supported extracting data from Kafka for this version, 
-you can create Kafka data streams from the background via the [Command-line Tools](user_guide/command_line_tools.md).
\ No newline at end of file
+you can create Kafka data streams from the background via the [Command-line Tools](user_guide/command_line_tools.md).
+
+## Extract node params
+
+|  Option | Required  |  Default |  Type | Description  |
+|---|---|---|---|---|
+|id|required|(none)|String|Identifier for node|
+|name|optional|(none)|String|Node name|
+|fields|required|(none)|`List<FieldInfo>`|Table fields|
+|watermarkField|optional|(none)|WatermarkField|Defines the field for generating watermarks|
+|properties|optional|(none)|Map<String, String>|This can set other properties for connector params|
+|  topic | required  |  (none) | String  | The Kafka topic name to read|
+|   bootstrapServers| required  |  (none) | String  | Comma separated list of Kafka brokers |
+|  format | required  |  (none) | Format  | It includes `json`,`avro`,`debezium-json`,`canal-json-inlong`,`csv` |
+|kafkaScanStartupMode| required|(none)|KafkaScanStartupMode |It includes `earliest-offset` and `latest-offset`|
+|primaryKey|optional|(none)|String|It decides use what connector, there value will use upsert kafka, empty value will use kafka|
+|groupId|optional|null|String|Consumer group id. We suggest that set it by self|
+
+# Dependency

Review Comment:
   # Dependency
   ->
   ## Dependency



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