# GuardrailChecksMessage
<a name="API_runtime_GuardrailChecksMessage"></a>

A message to evaluate against guardrail checks, containing a role and content blocks.

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

 ** content **   <a name="bedrock-Type-runtime_GuardrailChecksMessage-content"></a>
The content blocks for the message.  
Type: Array of [GuardrailChecksContentBlock](API_runtime_GuardrailChecksContentBlock.md) objects  
Array Members: Minimum number of 1 item.  
Required: Yes

 ** role **   <a name="bedrock-Type-runtime_GuardrailChecksMessage-role"></a>
The role of the message sender.  
Type: String  
Valid Values: `user | assistant | system`   
Required: Yes

## See Also
<a name="API_runtime_GuardrailChecksMessage_SeeAlso"></a>

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/bedrock-runtime-2023-09-30/GuardrailChecksMessage) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/bedrock-runtime-2023-09-30/GuardrailChecksMessage) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/bedrock-runtime-2023-09-30/GuardrailChecksMessage)