# Message
<a name="API_Message"></a>

A message in an Amazon Q Business web experience.

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

 ** actionExecution **   <a name="qbusiness-Type-Message-actionExecution"></a>
Performs an Amazon Q Business plugin action during a non-streaming chat conversation.  
Type: [ActionExecution](API_ActionExecution.md) object  
Required: No

 ** actionReview **   <a name="qbusiness-Type-Message-actionReview"></a>
An output event that Amazon Q Business returns to an user who wants to perform a plugin action during a non-streaming chat conversation. It contains information about the selected action with a list of possible user input fields, some pre-populated by Amazon Q Business.  
Type: [ActionReview](API_ActionReview.md) object  
Required: No

 ** attachments **   <a name="qbusiness-Type-Message-attachments"></a>
A file directly uploaded into an Amazon Q Business web experience chat.  
Type: Array of [AttachmentOutput](API_AttachmentOutput.md) objects  
Required: No

 ** body **   <a name="qbusiness-Type-Message-body"></a>
The content of the Amazon Q Business web experience message.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 1000.  
Pattern: `\P{C}*$}`   
Required: No

 ** messageId **   <a name="qbusiness-Type-Message-messageId"></a>
The identifier of the Amazon Q Business web experience message.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 2048.  
Required: No

 ** sourceAttribution **   <a name="qbusiness-Type-Message-sourceAttribution"></a>
The source documents used to generate Amazon Q Business web experience message.  
Type: Array of [SourceAttribution](API_SourceAttribution.md) objects  
Required: No

 ** time **   <a name="qbusiness-Type-Message-time"></a>
The timestamp of the first Amazon Q Business web experience message.  
Type: Timestamp  
Required: No

 ** type **   <a name="qbusiness-Type-Message-type"></a>
The type of Amazon Q Business message, whether `HUMAN` or `AI` generated.  
Type: String  
Valid Values: `USER | SYSTEM`   
Required: No

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

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/qbusiness-2023-11-27/Message) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/qbusiness-2023-11-27/Message) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/qbusiness-2023-11-27/Message)