Bedrock Agent Runtime > Structures > Usage Usage¶ Structure Class¶ Usage dataclass ¶ Contains information of the usage of the foundation model. Attributes¶ input_tokens class-attribute instance-attribute ¶ input_tokens: int | None = None Contains information about the input tokens from the foundation model usage. output_tokens class-attribute instance-attribute ¶ output_tokens: int | None = None Contains information about the output tokens from the foundation model usage.