# TraceMetadata
<a name="API_TraceMetadata"></a>

One TRACES query selector block on a node/edge (see LogMetadata).

## Contents
<a name="API_TraceMetadata_Contents"></a>

 ** attributes **   <a name="cloudwatchomni-Type-TraceMetadata-attributes"></a>
TRACES counterpart of LogMetadataAttributeMap — a dedicated per-signal map so the two evolve independently (same scalar shape and cap today).  
Type: String to string map  
Map Entries: Minimum number of 0 items. Maximum number of 10 items.  
Required: No

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/cloudwatchomni-2025-01-01/TraceMetadata) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/cloudwatchomni-2025-01-01/TraceMetadata) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/cloudwatchomni-2025-01-01/TraceMetadata)