AWS appsync documentation change

Service: appsync · 2025-04-25 · Documentation low

File: appsync/latest/eventapi/channel-namespace-handlers.md

Summary

Added data source integration documentation and restructured content

Security assessment

Adds functionality documentation for data source integrations but doesn't introduce or modify security controls

Diff

diff --git a/appsync/latest/eventapi/channel-namespace-handlers.md b/appsync/latest/eventapi/channel-namespace-handlers.md
index df539a205..ec3167847 100644
--- a//appsync/latest/eventapi/channel-namespace-handlers.md
+++ b//appsync/latest/eventapi/channel-namespace-handlers.md
@@ -5 +5 @@
-Using the onPublish event handlerUsing the onSubscribe event handler
+Using the onPublish event handlerUsing the onSubscribe event handlerData source integration
@@ -140,0 +141,18 @@ Now clients can only subscribe to channels that match the pattern `/messages/inb
+## Data source integration
+
+You can integrate data sources in your channel namespaces. This allows you to interact with data sources like DynamoDB tables and Lambda functions.
+
+A handler that interacts with a data source has the following format:
+    
+    
+    export const onPublish = {
+      request(ctx) {
+        // request code
+      },
+      response(ctx) {
+        // response code
+      }
+    }
+
+To learn how to use event handlers to interact with your data source, see [Writing event handlers](./writing-event-handlers.html).
+
@@ -147 +165 @@ To use the Amazon Web Services Documentation, Javascript must be enabled. Please
-Channel namespace authorization
+Channel namespaces
@@ -149 +167 @@ Channel namespace authorization
-Authorizing and authenticating Event APIs
+Data sources