gcloud alpha resource-manager tags keys get-iam-policy

INFORMATION
gcloud alpha resource-manager tags keys get-iam-policy 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 alpha resource-manager tags keys get-iam-policy - gets the IAM policy for a TagKey resource
SYNOPSIS
gcloud alpha resource-manager tags keys get-iam-policy RESOURCE_NAME [GCLOUD_WIDE_FLAG …]
DESCRIPTION
(ALPHA) Returns the IAM policy for a TagKey resource given the TagKey's display name and parent or the TagKey's numeric id.
EXAMPLES
To get the IAM policy for a TagKey with id '123', run: 
gcloud alpha resource-manager tags keys get-iam-policy tagKeys/123

To get the IAM policy for a TagKey with the name 'env' under 'organizations/456', run: 

gcloud alpha resource-manager tags keys get-iam-policy 456/env
POSITIONAL ARGUMENTS
RESOURCE_NAME
Resource name or namespaced name. The resource name should be in the form {resource_type}/{numeric_id}. The namespaced name should be in the form {org_id}/{short_name} where short_name must be 1-63 characters, beginning and ending with an alphanumeric character ([a-z0-9A-Z]) with dashes (-), underscores ( _ ), dots (.), and alphanumerics between.
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 alpha and might 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 resource-manager tags keys get-iam-policy
 
gcloud beta resource-manager tags keys get-iam-policy