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AWS documentdb documentation change

Service: documentdb · 2026-03-31 · Documentation low

File: documentdb/latest/developerguide/anyElementTrue.md

Summary

Added new documentation page for the $anyElementTrue operator in Amazon DocumentDB, including syntax, parameters, MongoDB shell examples, and code examples in Node.js and Python with connection strings

Security assessment

This change adds routine documentation for a MongoDB aggregation operator ($anyElementTrue) with standard usage examples. The code examples include TLS connection parameters (tls=true, tlsCAFile=global-bundle.pem) which are standard security practices for DocumentDB connections, but this is not introducing new security documentation - it's showing standard secure connection patterns that already exist in other documentation. There is no evidence this addresses a specific security vulnerability or incident.

Diff

diff --git a/documentdb/latest/developerguide/anyElementTrue.md b/documentdb/latest/developerguide/anyElementTrue.md
index 8b1378917..e68fbe309 100644
--- a//documentdb/latest/developerguide/anyElementTrue.md
+++ b//documentdb/latest/developerguide/anyElementTrue.md
@@ -0,0 +1 @@
+[](/pdfs/documentdb/latest/developerguide/developerguide.pdf#anyElementTrue "Open PDF")
@@ -1,0 +3,132 @@
+[Documentation](/index.html)[Amazon DocumentDB](/documentdb/index.html)[Developer Guide](what-is.html)
+
+Example (MongoDB Shell)Code examples
+
+# $anyElementTrue
+
+New from version 4.0
+
+The `$anyElementTrue` operator is used to determine if any element in an array is true.
+
+**Parameters**
+
+  * `field`: An array field to evaluate.
+
+
+
+
+## Example (MongoDB Shell)
+
+The following example demonstrates the usage of `$anyElementTrue` to check if any element in an array is true.
+
+**Create sample documents**
+    
+    
+    db.grades.insertMany([
+      { _id: 1, student: 'Tim', scores: [false, false, null] },
+      { _id: 2, student: 'Bob', scores: [false, 0, false] },
+      { _id: 3, student: 'Ivy', scores: [false, true, 0] }
+    ])
+
+**Query example**
+    
+    
+    db.grades.aggregate([
+      {
+        $project: {
+          student: 1,
+          isAnyTrue: { $anyElementTrue: ["$scores"] },
+          _id: 0
+        }
+      }
+    ])
+
+**Output**
+    
+    
+    [
+      { student: 'Tim', isAnyTrue: false },
+      { student: 'Bob', isAnyTrue: false },
+      { student: 'Ivy', isAnyTrue: true }
+    ]
+
+## Code examples
+
+To view a code example for using the `$anyElementTrue` command, choose the tab for the language that you want to use:
+
+Node.js
+    
+    
+    
+    const { MongoClient } = require('mongodb');
+    
+    async function example() {
+      const client = await MongoClient.connect('mongodb://<username>:<password>@<cluster-endpoint>:27017/?tls=true&tlsCAFile=global-bundle.pem&replicaSet=rs0&readPreference=secondaryPreferred&retryWrites=false');
+      const db = client.db('test');
+      const collection = db.collection('grades');
+    
+      const result = await collection.aggregate([
+        {
+          $project: {
+            student: 1,
+            isAnyTrue: { $anyElementTrue: ["$scores"] },
+            _id: 0
+          }
+        }
+      ]).toArray();
+    
+      console.log(result);
+    
+      await client.close();
+    }
+    
+    example();
+
+Python
+    
+    
+    
+    from pymongo import MongoClient
+    
+    def example():
+        client = MongoClient('mongodb://<username>:<password>@<cluster-endpoint>:27017/?tls=true&tlsCAFile=global-bundle.pem&replicaSet=rs0&readPreference=secondaryPreferred&retryWrites=false')
+        db = client['test']
+        collection = db['grades']
+    
+        result = list(collection.aggregate([
+          {
+            "$project": {
+              "student": 1,
+              "isAnyTrue": { "$anyElementTrue": ["$scores"] },
+              "_id": 0
+            }
+          }
+        ]))
+    
+        print(result)
+    
+        client.close()
+    
+    example()
+
+![Warning](https://d1ge0kk1l5kms0.cloudfront.net/images/G/01/webservices/console/warning.png) **Javascript is disabled or is unavailable in your browser.**
+
+To use the Amazon Web Services Documentation, Javascript must be enabled. Please refer to your browser's Help pages for instructions.
+
+[Document Conventions](/general/latest/gr/docconventions.html)
+
+$and
+
+$arrayElemAt
+
+Did this page help you? - Yes
+
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+
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+
+Did this page help you? - No
+
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+
+If you've got a moment, please tell us how we can make the documentation better.