Bedrock Agentcore > Structures > HarnessReasoningTextBlock HarnessReasoningTextBlock¶ Structure Class¶ HarnessReasoningTextBlock dataclass ¶ A block of reasoning text from the model. Attributes¶ signature class-attribute instance-attribute ¶ signature: str | None = None Signature for verifying the reasoning content. text instance-attribute ¶ text: str The reasoning text.