gcloud alpha compute routers add-route-policy

NAME
gcloud alpha compute routers add-route-policy - add an empty route policy to a Compute Engine router
SYNOPSIS
gcloud alpha compute routers add-route-policy NAME --policy-name=POLICY_NAME --policy-type=POLICY_TYPE [--region=REGION] [GCLOUD_WIDE_FLAG …]
DESCRIPTION
(ALPHA) gcloud alpha compute routers add-route-policy adds an empty route policy to a Compute Engine router.
POSITIONAL ARGUMENTS
NAME
Name of the router to update.
REQUIRED FLAGS
--policy-name=POLICY_NAME
Name of the route policy to add.
--policy-type=POLICY_TYPE
Type of the route policy to add. POLICY_TYPE must be one of:
EXPORT
The route policy is an export policy.
IMPORT
The route policy is an import policy.
OPTIONAL FLAGS
--region=REGION
Region of the router to update. If not specified, you might be prompted to select a region (interactive mode only).

To avoid prompting when this flag is omitted, you can set the compute/region property: 

gcloud config set compute/region REGION

A list of regions can be fetched by running: 

gcloud compute regions list

To unset the property, run: 

gcloud config unset compute/region

Alternatively, the region can be stored in the environment variable CLOUDSDK_COMPUTE_REGION.

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. This variant is also available: 
gcloud beta compute routers add-route-policy