https://docs.aws.amazon.com/fr_fr/AWSCloudFormation/latest/TemplateReference/aws-properties-bedrock-flow-retrievalflownodes3configuration.html
AWS::Bedrock::Flow RetrievalFlowNodeS3Configuration - AWS CloudFormation
Contains configurations for the Amazon S3 location from which to retrieve data to return as the output from the node.
aws bedrockflowcloudformation