NAME
    gcloud alpha spanner backup-schedules set-iam-policy - set the IAM policy
        for a Cloud Spanner backup schedule

SYNOPSIS
    gcloud alpha spanner backup-schedules set-iam-policy
        (BACKUP_SCHEDULE : --database=DATABASE --instance=INSTANCE) POLICY_FILE
        [GCLOUD_WIDE_FLAG ...]

DESCRIPTION
    (ALPHA) Set the IAM policy for a Cloud Spanner backup schedule given a
    backup schedule 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 Cloud Spanner backup schedule:

        $ gcloud alpha spanner backup-schedules set-iam-policy \
            backup-schedule-id --instance=instance-id \
            --database=database-id policy.json

    See https://cloud.google.com/iam/docs/managing-policies for details of the
    policy file format and contents.

POSITIONAL ARGUMENTS
     BackupSchedule resource - The Cloud Spanner backup schedule to set the 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 backup_schedule 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.

       BACKUP_SCHEDULE
          ID of the backupSchedule or fully qualified identifier for the
          backupSchedule.

          To set the backup_schedule attribute:
          ▸ provide the argument backup_schedule on the command line.

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

       --database=DATABASE
          The name of the Cloud Spanner database.

          To set the database attribute:
          ▸ provide the argument backup_schedule on the command line with a
            fully specified name;
          ▸ provide the argument --database on the command line.

       --instance=INSTANCE
          The name of the Cloud Spanner instance.

          To set the instance attribute:
          ▸ provide the argument backup_schedule on the command line with a
            fully specified name;
          ▸ provide the argument --instance on the command line;
          ▸ set the property spanner/instance.

     POLICY_FILE
        Path to a local JSON or YAML formatted file containing a valid policy.

        The output of the get-iam-policy command is a valid file, as is any
        JSON or YAML file conforming to the structure of a Policy
        (https://cloud.google.com/iam/reference/rest/v1/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 spanner/v1 API. The full documentation for this API
    can be found at: https://cloud.google.com/spanner/

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 spanner backup-schedules set-iam-policy

        $ gcloud beta spanner backup-schedules set-iam-policy

