name : start-bulk-deployment.rst **To start a bulk deployment operation** The following ``start-bulk-deployment`` example starts a bulk deployment operation, using a file stored in an S3 bucket to specify the groups to be deployed. :: aws greengrass start-bulk-deployment \ --cli-input-json "{\"InputFileUri\":\"https://gg-group-deployment1.s3-us-west-2.amazonaws.com/MyBulkDeploymentInputFile.txt\", \"ExecutionRoleArn\":\"arn:aws:iam::123456789012:role/ggCreateDeploymentRole\",\"AmznClientToken\":\"yourAmazonClientToken\"}" Output:: { "BulkDeploymentArn": "arn:aws:greengrass:us-west-2:123456789012:/greengrass/bulk/deployments/870fb41b-6288-4e0c-bc76-a7ba4b4d3267", "BulkDeploymentId": "870fb41b-6288-4e0c-bc76-a7ba4b4d3267" } For more information, see `Create Bulk Deployments for Groups <https://docs.aws.amazon.com/greengrass/latest/developerguide/bulk-deploy-cli.html>`__ in the *AWS IoT Greengrass Developer Guide*.