Merge pull request #303770 from KrishnakumarRukmangathan/patch-55

Update format-common-data-model.md

Author: prmerger-automator[bot]

articles/data-factory/format-common-data-model.md

@@ -6,7 +6,7 @@ author: kromerm
 ms.subservice: data-flows
 ms.custom: synapse
 ms.topic: conceptual
-ms.date: 01/05/2024
+ms.date: 08/04/2025
 ms.author: makromer
 ---
 
@@ -24,6 +24,9 @@ The Common Data Model is available as an [inline dataset](data-flow-source.md#in
 > [!NOTE]
 > When writing CDM entities, you must have an existing CDM entity definition (metadata schema) already defined to use as a reference. The data flow sink will read that CDM entity file and import the schema into your sink for field mapping.
 
+> > [!NOTE]
+> When using CDM with Change Data Capture (CDC) in Data Flows, updates are detected using a file-based CDC approach driven by file last modified timestamps.
+
 ### Source properties
 
 The below table lists the properties supported by a CDM source. You can edit these properties in the **Source options** tab.