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HarnessMessageStartEvent - Amazon Bedrock AgentCore Data Plane
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Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).

HarnessMessageStartEvent

Event indicating the start of a message.

Contents

role

The role of the message sender.

Type: String

Valid Values: user | assistant

Required: Yes

See Also

For more information about using this API in one of the language-specific Amazon SDKs, see the following: