# ContentStartEvent
<a name="API_ContentStartEvent"></a>

An event that signals the start of content streaming from a command execution. This event is sent when the command begins producing output.

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

The members of this exception structure are context-dependent.

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

For more information about using this API in one of the language-specific Amazon SDKs, see the following:
+  [Amazon SDK for C\+\+](https://docs.amazonaws.cn/goto/SdkForCpp/bedrock-agentcore-2024-02-28/ContentStartEvent) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/bedrock-agentcore-2024-02-28/ContentStartEvent) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/bedrock-agentcore-2024-02-28/ContentStartEvent)