BisCustomAttributes (BIS Custom Attributes) Schema
Alias: bisCA
Version: 1.0.0
Custom attributes to indicate BIS concepts.
Table of contents
Custom Attribute Classes
SchemaLayerInfo Sealed CustomAttributeClass 
Declares the target layer in the BIS schema hierarchy for a schema.
Applies to: Schema
Properties
| Name | Description | Label | Category | Read Only | Priority |
|---|---|---|---|---|---|
| Value | Layer in the BIS schema hierarchy that a schema targets. | false | 0 |
Enumerations
SchemaLayer Enumeration
Backing Type: string
Defines the layers in the BIS schema hierarchy.
Strict: true
| Label | Value | Description |
|---|---|---|
| Core | Core | Layer for schemas that define the most fundamental concepts and key organizational strategies for all other BIS schemas. |
| Common | Common | Layer for schemas that define abstract concepts and patterns used by multiple disciplines. |
| Discipline-Physical | DisciplinePhysical | Layer for schemas that focus on physical/spatial and closely associated concepts, in light of a specific discipline. |
| Discipline-Other | DisciplineOther | Layer for schemas that define concepts from modeling perspectives other than physical, in light of a specific discipline. |
| Application | Application | Layer for schemas that define concepts that no other schema would need or want to reference. |
Last Updated: 21 November, 2022