name : start-flywheel-iteration.rst **To start a flywheel iteration** The following ``start-flywheel-iteration`` example starts a flywheel iteration. This operation uses any new datasets in the flywheel to train a new model version. :: aws comprehend start-flywheel-iteration \ --flywheel-arn arn:aws:comprehend:us-west-2:111122223333:flywheel/example-flywheel Output:: { "FlywheelArn": "arn:aws:comprehend:us-west-2:111122223333:flywheel/example-flywheel", "FlywheelIterationId": "12345123TEXAMPLE" } For more information, see `Flywheel overview <https://docs.aws.amazon.com/comprehend/latest/dg/flywheels-about.html>`__ in the *Amazon Comprehend Developer Guide*.