# UpdatedDescriptorsUnion
<a name="API_UpdatedDescriptorsUnion"></a>

Contains per-descriptor-type wrappers for updating descriptors. Each descriptor type can be updated independently.

## Contents
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 ** a2a **   <a name="bedrockagentcorecontrol-Type-UpdatedDescriptorsUnion-a2a"></a>
The updated A2A descriptor.  
Type: [UpdatedA2aDescriptor](API_UpdatedA2aDescriptor.md) object  
Required: No

 ** agentSkills **   <a name="bedrockagentcorecontrol-Type-UpdatedDescriptorsUnion-agentSkills"></a>
The updated agent skills descriptor.  
Type: [UpdatedAgentSkillsDescriptor](API_UpdatedAgentSkillsDescriptor.md) object  
Required: No

 ** custom **   <a name="bedrockagentcorecontrol-Type-UpdatedDescriptorsUnion-custom"></a>
The updated custom descriptor.  
Type: [UpdatedCustomDescriptor](API_UpdatedCustomDescriptor.md) object  
Required: No

 ** mcp **   <a name="bedrockagentcorecontrol-Type-UpdatedDescriptorsUnion-mcp"></a>
The updated MCP descriptor.  
Type: [UpdatedMcpDescriptor](API_UpdatedMcpDescriptor.md) object  
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/bedrock-agentcore-control-2023-06-05/UpdatedDescriptorsUnion) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/bedrock-agentcore-control-2023-06-05/UpdatedDescriptorsUnion) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/bedrock-agentcore-control-2023-06-05/UpdatedDescriptorsUnion)