Model that describes a production operation.
| Name | Type | Description |
|---|---|---|
| doc_tech_map | DocTechMap | Tech map that describes item production. |
| document_id | Int64 | Production document ID. |
| id | Int64 | Operation ID. |
| item | Item | Item. |
| last_update | Int64 | Last record update time as Unix time. |
| quantity | Decimal | Item quantity. |