File: //lib/python3/dist-packages/awscli/examples/ec2/modify-instance-capacity-reservation-attributes.rst
**Example 1: To modify an instance's capacity reservation targeting settings**
The following ``modify-instance-capacity-reservation-attributes`` example modifies a stopped instance to target a specific capacity reservation. ::
aws ec2 modify-instance-capacity-reservation-attributes \
--instance-id i-EXAMPLE8765abcd4e \
--capacity-reservation-specification 'CapacityReservationTarget={CapacityReservationId= cr-1234abcd56EXAMPLE }'
Output::
{
"Return": true
}
**Example 2: To modify an instance's capacity reservation targeting settings**
The following ``modify-instance-capacity-reservation-attributes`` example modifies a stopped instance that targets the specified capacity reservation to launch in any capacity reservation that has matching attributes (instance type, platform, Availability Zone) and that has open instance matching criteria. ::
aws ec2 modify-instance-capacity-reservation-attributes \
--instance-id i-EXAMPLE8765abcd4e \
--capacity-reservation-specification 'CapacityReservationPreference=open'
Output::
{
"Return": true
}
For more information, see `Modifying an Instance's Capacity Reservation Settings <https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/capacity-reservations-using.html#capacity-reservations-modify-instance>`__ in the *Amazon Elastic Compute Cloud User Guide for Linux Instances*.