gcloud compute reservations update

NAME
gcloud compute reservations update - update a Compute Engine reservation
SYNOPSIS
gcloud compute reservations update (RESERVATION : --zone=ZONE) --vm-count=VM_COUNT [--async] [GCLOUD_WIDE_FLAG]
DESCRIPTION
Update a Compute Engine reservation.
POSITIONAL ARGUMENTS
Reservation resource - The name of the reservation to update. 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 [reservation] on the command line with a fully specified name; set the property [core/project]; provide the argument [--project] on the command line. This must be specified.
RESERVATION
ID of the reservation or fully qualified identifier for the reservation. This positional must be specified if any of the other arguments in this group are specified.
--zone=ZONE
The name of the Google Compute Engine zone.
REQUIRED FLAGS
--vm-count=VM_COUNT
Number of VM instances can be updated. The value of this field must be an int in the range [1, 1000].
OPTIONAL FLAGS
--async
Return immediately, without waiting for the operation in progress to complete.
GCLOUD WIDE FLAGS
These flags are available to all commands: --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 compute/v1 API. The full documentation for this API can be found at: https://developers.google.com/compute/docs/reference/latest/
EXAMPLES
To update a given Compute Enginer reservation with 500 VM instances, run:
gcloud compute reservations update my-reservation --zone=ZONE  --vm-count=500
NOTES
These variants are also available:
gcloud alpha compute reservations update
gcloud beta compute reservations update