gcloud preview compute backend-services test-iam-permissions

INFORMATION
gcloud preview compute backend-services test-iam-permissions is supported in universe domain universe; however, some of the values used in the help text may not be available. Command examples may not work as-is and may requires changes before execution.
NAME
gcloud preview compute backend-services test-iam-permissions - test IAM permissions for a Compute Engine backend service
SYNOPSIS
gcloud preview compute backend-services test-iam-permissions BACKEND_SERVICE_NAME --permissions=[PERMISSION,…] [--global     | --region=REGION] [GCLOUD_WIDE_FLAG …]
DESCRIPTION
(PREVIEW) gcloud preview compute backend-services test-iam-permissions tests the IAM permissions that a caller has on a Compute Engine backend service.
EXAMPLES
To test if the caller has the compute.backendServices.get permission on the global backend service my-backend-service, run: 
gcloud preview compute backend-services test-iam-permissions my-backend-service --global --permissions=compute.backendServices.get

To test if the caller has the compute.regionBackendServices.get permission on the regional backend service my-backend-service in region us-central1, run: 

gcloud preview compute backend-services test-iam-permissions my-backend-service --region=us-central1 --permissions=compute.regionBackendServices.get
POSITIONAL ARGUMENTS
BACKEND_SERVICE_NAME
Name of the backend service to operate on.
REQUIRED FLAGS
--permissions=[PERMISSION,…]
The set of permissions to check for the resource.
OPTIONAL FLAGS
At most one of these can be specified:
--global
If set, the backend service is global.
--region=REGION
Region of the backend service to operate on. Overrides the default compute/region property value for this command invocation.
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 DEVELOPER PREVIEW and may change without notice. If this command fails with API permission errors despite specifying the correct project, you might be trying to access an API with an invitation-only early access allowlist. These variants are also available: 
gcloud compute backend-services test-iam-permissions
 
gcloud alpha compute backend-services test-iam-permissions
 
gcloud beta compute backend-services test-iam-permissions