stevenzwu commented on a change in pull request #3681:
URL: https://github.com/apache/iceberg/pull/3681#discussion_r778266930



##########
File path: 
flink/v1.13/flink/src/main/java/org/apache/iceberg/flink/FlinkCatalog.java
##########
@@ -377,6 +378,23 @@ void createIcebergTable(ObjectPath tablePath, 
CatalogBaseTable table, boolean ig
     PartitionSpec spec = toPartitionSpec(((CatalogTable) 
table).getPartitionKeys(), icebergSchema);
 
     ImmutableMap.Builder<String, String> properties = ImmutableMap.builder();
+
+    List<WatermarkSpec> watermarkSpecs = table.getSchema().getWatermarkSpecs();
+    if (watermarkSpecs != null) {
+      for (int i = 0; i < watermarkSpecs.size(); i++) {

Review comment:
       I am not familiar with that part of Flink. can you help me understand 
the list of watermark spec? is it to define multiple watermark strategies and 
writer can pick one strategy to use?




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