# HarnessTokenUsage
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Token usage counts for the invocation.

## Contents
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 ** inputTokens **   <a name="BedrockAgentCore-Type-HarnessTokenUsage-inputTokens"></a>
The number of input tokens consumed.  
Type: Integer  
Valid Range: Minimum value of 0.  
Required: Yes

 ** outputTokens **   <a name="BedrockAgentCore-Type-HarnessTokenUsage-outputTokens"></a>
The number of output tokens generated.  
Type: Integer  
Valid Range: Minimum value of 0.  
Required: Yes

 ** totalTokens **   <a name="BedrockAgentCore-Type-HarnessTokenUsage-totalTokens"></a>
The total number of tokens consumed.  
Type: Integer  
Valid Range: Minimum value of 0.  
Required: Yes

 ** cacheReadInputTokens **   <a name="BedrockAgentCore-Type-HarnessTokenUsage-cacheReadInputTokens"></a>
The number of input tokens read from cache.  
Type: Integer  
Valid Range: Minimum value of 0.  
Required: No

 ** cacheWriteInputTokens **   <a name="BedrockAgentCore-Type-HarnessTokenUsage-cacheWriteInputTokens"></a>
The number of input tokens written to cache.  
Type: Integer  
Valid Range: Minimum value of 0.  
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/HarnessTokenUsage) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/bedrock-agentcore-2024-02-28/HarnessTokenUsage) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/bedrock-agentcore-2024-02-28/HarnessTokenUsage)