aws rds modify-db-capacity-reservation
Modifies a DB capacity reservation. AWS CLI reference
4 options Its page in the AWS CLI reference
Options
--capacity-per-availability-zoneThe new number of DB instances to reserve in each Availability Zone of the reservation.--db-capacity-reservation-identifierThe identifier or the name of the DB capacity reservation to modify.--end-date-typeThe end date type for the reservation.--end-dateThe new end date for the reservation, in Universal Coordinated Time (UTC).