gcloud beta access-context-manager policies describe

NAME: gcloud beta access-context-manager policies describe - show details about an access policy
SYNOPSIS: gcloud beta access-context-manager policies describe [POLICY] [GCLOUD_WIDE_FLAG …]
DESCRIPTION: (BETA) Show details about a given access policy.
POSITIONAL ARGUMENTS: Policy resource - The access level you want to show details about. This represents a Cloud resource.

[POLICY]

ID of the policy or fully qualified identifier for the policy.
To set the policy attribute:

provide the argument policy on the command line;

set the property access_context_manager/policy;

automatically, if the current account belongs to an organization with exactly one access policy..
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.
API REFERENCE: This command uses the accesscontextmanager/v1 API. The full documentation for this API can be found at: https://cloud.google.com/access-context-manager/docs/reference/rest/
NOTES: This command is currently in beta and might change without notice. These variants are also available:
gcloud access-context-manager policies describe

gcloud alpha access-context-manager policies describe