Update src/darwin/Framework/CHIP/MTRDevice.h

Co-authored-by: Boris Zbarsky <[email protected]>
project-chip · Nov 2, 2023 · 2e09e2e · 2e09e2e
1 parent 0a6b492
commit 2e09e2e
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/darwin/Framework/CHIP/MTRDevice.h b/src/darwin/Framework/CHIP/MTRDevice.h
@@ -103,7 +103,8 @@ typedef NS_ENUM(NSUInteger, MTRDeviceState) {
  *
  * TODO: Need to fully document that this returns "the system's best guess" of attribute values.
  *
- * @return a data-value dictionary of the attribute as described in MTRDeviceResponseHandler
+ * @return a data-value dictionary of the attribute as described in MTRDeviceResponseHandler,
+ *         or nil if there is no value.
  */
 - (NSDictionary<NSString *, id> * _Nullable)readAttributeWithEndpointID:(NSNumber *)endpointID
                                                               clusterID:(NSNumber *)clusterID