gcloud beta functions set-iam-policy

NAME: gcloud beta functions set-iam-policy - sets IAM policy for a Google Cloud Function
SYNOPSIS: gcloud beta functions set-iam-policy (NAME : --region=REGION) POLICY_FILE [GCLOUD_WIDE_FLAG …]
DESCRIPTION: (BETA) Sets IAM policy for a Google Cloud Function.
EXAMPLES: To set the iam policy for FUNCTION-1 to the policy defined in POLICY-FILE-1 run:
gcloud beta functions set-iam-policy FUNCTION-1 POLICY-FILE-1
POSITIONAL ARGUMENTS: Function resource - The Cloud function name to get IAM policy for. The arguments in this group can be used to specify the attributes of this resource. (NOTE) Some attributes are not given arguments in this group but can be set in other ways.
To set the project attribute:

provide the argument NAME on the command line with a fully specified name;

provide the argument --project on the command line;

set the property core/project.

This must be specified.

NAME

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

provide the argument NAME on the command line.

This positional argument must be specified if any of the other arguments in this group are specified.

--region=REGION

The Cloud region for the function. Overrides the default functions/region property value for this command invocation.
To set the region attribute:

provide the argument NAME on the command line with a fully specified name;

provide the argument --region on the command line;

set the property functions/region.

POLICY_FILE

Path to a local JSON or YAML formatted file containing a valid 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 beta and might change without notice. These variants are also available:
gcloud functions set-iam-policy

gcloud alpha functions set-iam-policy