| build_strategy | High-level manufacturing or assembly strategy, for example make-to-stock, make-to-order, configure-to-order, kit-based assembly, or another organization-specific strategy. | string | Datatype | False | False | 0..1 | - | False | False |
| configuration_spec | Configuration rule, baseline, filter, variant rule, or configuration specification used to resolve the structure. | string | Datatype | False | False | 0..1 | - | False | False |
| editing_state | Editing, authoring, or change state of the item or structure, for example draft, checked out, checked in, under change, locked, frozen, or released. | string | Datatype | False | False | 0..1 | - | False | False |
| effectivity | Date, serial, lot, variant, or other effectivity expression controlling when the item, usage, or structure is valid. | string | Datatype | False | False | 0..1 | - | False | False |
| lifecycle_state | Lifecycle state of the item or structure, for example In Work, Released, Frozen, Obsolete, Completed, Accepted, or another organization-specific state. | string | Datatype | False | False | 0..1 | - | False | False |
| manufacturing_plant | Plant, site, factory, or manufacturing organization responsible for the assembly, production, or as-built record. | string | Datatype | False | False | 0..1 | - | False | False |
| manufacturing_view | Manufacturing perspective used for the assembly structure, for example plant-specific view, line-specific view, or manufacturing engineering view. | string | Datatype | False | False | 0..1 | - | False | False |
| structure_version | Version, revision, iteration, baseline, or other version label of a tree or structure object. | string | Datatype | False | False | 0..1 | - | False | False |
| description | Human-readable description. | string | Datatype | False | False | 0..1 | IdentifiedThing | False | False |
| id | Stable identifier of the object. | uriorcurie | Datatype | True | False | 1..1 | IdentifiedThing | False | True |
| name | Human-readable name. | string | Datatype | False | False | 0..1 | IdentifiedThing | False | False |
| external_id | Native identifier of the object in the source tool. | string | Datatype | False | False | 0..1 | ToolObject | False | False |
| source_system | Concrete source system or repository. | string | Datatype | False | False | 0..1 | ToolObject | False | False |
| tool_name | Name of the tool where the object is managed. | string | Datatype | False | False | 0..1 | ToolObject | False | False |