description:This field indicates the type of this code. Currently, there are only two types, ‘SEQ’ and ‘LOOP’.
constraints:
-valid_values:['SEQ','LOOP']
object_type:
type:string
required:true
default:SubTopology
description:This field indicates the object type of this operation. According to the specific operation, the object can be, 'SubTopology', some entire sub-topologies; VM, some individual VMs; REQ some requests, only used when vscale, hscale or recover.