gcloud beta sql blue-green-deployments describe

INFORMATION
gcloud beta sql blue-green-deployments describe is not available in universe domain universe.
NAME
gcloud beta sql blue-green-deployments describe - retrieves information about a Cloud SQL blue-green deployment
SYNOPSIS
gcloud beta sql blue-green-deployments describe DEPLOYMENT [--region=REGION] [--show-config-diff] [GCLOUD_WIDE_FLAG …]
DESCRIPTION
(BETA) Retrieves information about a Cloud SQL blue-green deployment.
EXAMPLES
To describe a blue-green deployment named my-deployment in region us-central1: 
gcloud beta sql blue-green-deployments describe my-deployment --region=us-central1

To describe a blue-green deployment and display configuration differences between source and target instances: 

gcloud beta sql blue-green-deployments describe my-deployment --region=us-central1 --show-config-diff
POSITIONAL ARGUMENTS
DEPLOYMENT
The ID of the blue-green deployment.
FLAGS
--region=REGION
Regional location (e.g. asia-east1, us-east1). See the full list of regions at https://cloud.google.com/sql/docs/instance-locations.
--show-config-diff
Show the configuration difference between source and target instances.
GCLOUD WIDE FLAGS
These flags are available to all commands: --access-token-file, --account, --billing-project, --configuration, --flags-file, --flatten, --format, --help, --impersonate-service-account, --log-http, --project, --quiet, --trace-token, --user-output-enabled, --verbosity.

Run $ gcloud help for details.

NOTES
This command is currently in beta and might change without notice. This variant is also available: 
gcloud alpha sql blue-green-deployments describe