gcloud alpha resource-manager folders set-iam-policy

NAME
gcloud alpha resource-manager folders set-iam-policy - set IAM policy for a folder
SYNOPSIS
gcloud alpha resource-manager folders set-iam-policy FOLDER_ID POLICY_FILE [GCLOUD_WIDE_FLAG …]
DESCRIPTION
(ALPHA) Sets the IAM policy for a folder, given a folder ID and a file encoded in JSON or YAML that contains the IAM policy.
EXAMPLES
The following command reads an IAM policy defined in a JSON file policy.json and sets it for a folder with the ID 3589215982: 
gcloud alpha resource-manager folders set-iam-policy 3589215982 policy.json
POSITIONAL ARGUMENTS
FOLDER_ID
ID for the folder whose policy you want to set.
POLICY_FILE
JSON or YAML file with the IAM 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.

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 folders set-iam-policy
 
gcloud beta resource-manager folders set-iam-policy