AWS SDK for .NET Documentation
SnapshotId Property
AmazonAmazon.StorageGateway.ModelCreateStorediSCSIVolumeRequestSnapshotId Did this page help you?   Yes   No    Tell us about it...
The snapshot ID (e.g. "snap-1122aabb") of the snapshot to restore as the new stored volume. Specify this field if you want to create the iSCSI storage volume from a snapshot otherwise do not include this field. To list snapshots for your account use DescribeSnapshots in the Amazon Elastic Compute Cloud API Reference.

Constraints:

Pattern
\Asnap-[0-9a-fA-F]{8}\z

Declaration Syntax
C#
public string SnapshotId { get; set; }

Assembly: AWSSDK (Module: AWSSDK) Version: 1.5.60.0 (1.5.60.0)