# LineageMetadata
<a name="API_LineageMetadata"></a>

 The metadata that tracks relationships between ML artifacts, actions, and contexts. 

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

 ** ActionArns **   <a name="sagemaker-Type-LineageMetadata-ActionArns"></a>
 The Amazon Resource Name (ARN) of the lineage action.   
Type: String to string map  
Map Entries: Minimum number of 0 items. Maximum number of 5 items.  
Key Length Constraints: Minimum length of 0. Maximum length of 2048.  
Value Length Constraints: Minimum length of 0. Maximum length of 2048.  
Required: No

 ** ArtifactArns **   <a name="sagemaker-Type-LineageMetadata-ArtifactArns"></a>
 The Amazon Resource Name (ARN) of the lineage artifact.   
Type: String to string map  
Map Entries: Minimum number of 0 items. Maximum number of 5 items.  
Key Length Constraints: Minimum length of 0. Maximum length of 2048.  
Value Length Constraints: Minimum length of 0. Maximum length of 2048.  
Required: No

 ** Associations **   <a name="sagemaker-Type-LineageMetadata-Associations"></a>
 The lineage associations.   
Type: Array of [AssociationInfo](API_AssociationInfo.md) objects  
Array Members: Minimum number of 0 items. Maximum number of 10 items.  
Required: No

 ** ContextArns **   <a name="sagemaker-Type-LineageMetadata-ContextArns"></a>
 The Amazon Resource Name (ARN) of the lineage context.   
Type: String to string map  
Map Entries: Minimum number of 0 items. Maximum number of 5 items.  
Key Length Constraints: Minimum length of 0. Maximum length of 2048.  
Value Length Constraints: Minimum length of 0. Maximum length of 2048.  
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\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/sagemaker-2017-07-24/LineageMetadata) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/sagemaker-2017-07-24/LineageMetadata) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/sagemaker-2017-07-24/LineageMetadata)