order_iscsi_snapshot.py

import SoftLayer.API
from pprint import pprint as pp

apiUsername = ''
apiKey = ''

client = SoftLayer.Client(
    username=apiUsername,
    api_key=apiKey,
)

prices = [
    {'id': 1353},  # 20 GB iSCSI SAN Snapshot Space
]

order = {
    'complexType': 'SoftLayer_Container_Product_Order_Network_Storage_Iscsi_SnapshotSpace',
    'prices': prices,
    'location': 138124,  # Dal05
    'packageId': 0,
    'volumeId': 1234  # iSCSI Volume ID
}
result = client['SoftLayer_Product_Order'].placeOrder(order)

pp(result)