# HarnessToolResultBlockStart
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Start payload for a tool result content block.

## Contents
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 ** toolUseId **   <a name="BedrockAgentCore-Type-HarnessToolResultBlockStart-toolUseId"></a>
The tool use ID that this result corresponds to.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 64.  
Pattern: `[a-zA-Z0-9_-]+`   
Required: Yes

 ** status **   <a name="BedrockAgentCore-Type-HarnessToolResultBlockStart-status"></a>
The status of the tool execution.  
Type: String  
Valid Values: `success | error`   
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-2024-02-28/HarnessToolResultBlockStart) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/bedrock-agentcore-2024-02-28/HarnessToolResultBlockStart) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/bedrock-agentcore-2024-02-28/HarnessToolResultBlockStart)