doc

docs/layouts/shortcodes/generated/core_configuration.html

@@ -308,6 +308,12 @@
             <td>Map</td>
             <td>Define different file format for different level, you can add the conf like this: 'file.format.per.level' = '0:avro,3:parquet', if the file format for level is not provided, the default format which set by `file.format` will be used.</td>
         </tr>
+        <tr>
+            <td><h5>file.prefix</h5></td>
+            <td style="word-wrap: break-word;">(none)</td>
+            <td>String</td>
+            <td>Specify the file name prefix of data files..</td>
+        </tr>
         <tr>
             <td><h5>force-lookup</h5></td>
             <td style="word-wrap: break-word;">false</td>