Lambda > Structures > ScalingConfig ScalingConfig¶ Structure Class¶ ScalingConfig dataclass ¶ (Amazon SQS only) The scaling configuration for the event source. To remove the configuration, pass an empty value. Attributes¶ maximum_concurrency class-attribute instance-attribute ¶ maximum_concurrency: int | None = None Limits the number of concurrent instances that the Amazon SQS event source can invoke.