| Name | Type | Description | Notes |
|---|---|---|---|
| volume_id | string | The volume to migrate, along with potentially other resources, according to the migration plan generated with a call to PlanBlockMigration. | [optional] |
| snapshot_id | string | The snapshot to migrate, along with potentially other resources, according to the migration plan generated with a call to PlanBlockMigration. | [optional] |
| validation_key | string | A value to be retrieved from a call to PlanBlockMigration, to confirm that the volume and/or snapshots specified in said plan should be migrated. | [optional] |