**To register an AMI using a manifest file** This example registers an AMI using the specified manifest file in Amazon S3. Command:: aws ec2 register-image --image-location my-s3-bucket/myimage/image.manifest.xml --name "MyImage" Output:: { "ImageId": "ami-61341708" } **To add a block device mapping** Add the following parameter to your ``register-image`` command to add an Amazon EBS volume with the device name ``/dev/sdh`` and a volume size of 100:: --block-device-mappings "[{\"DeviceName\": \"/dev/sdh\",\"Ebs\":{\"VolumeSize\":100}}]" Add the following parameter to your ``register-image`` command to add ``ephemeral1`` as an instance store volume with the device name ``/dev/sdc``:: --block-device-mappings "[{\"DeviceName\": \"/dev/sdc\",\"VirtualName\":\"ephemeral1\"}]" Add the following parameter to your ``register-image`` command to omit a device (for example, ``/dev/sdf``):: --block-device-mappings "[{\"DeviceName\": \"/dev/sdf\",\"NoDevice\":\"\"}]"