| 1 Definition | 2 Functional Requirements | 3 Syntax | 
| 4 Semantics | 5 Conformance Testing | 6 Performance Assessment | 
1 Definition
Descriptors produced by Primary Discontinuity Description AIM using Primary Risk Statements, Financial Descriptors, and Governance Descriptors.
2 Functional Requirements
Primary Discontinuity Descriptors includes the following data:
- The Company Discontinuity Probability within the Prediction Horizon.
 - A 3D tensor including, for each table, the name of:
- Financial Descriptor and the importance of the Financial Descriptor it caused to the Company Discontinuity expressed as the percentage of the Company Discontinuity Probability.
 - Governance Descriptor and the importance of the Governance Descriptor it caused to the Company Discontinuity expressed as the percentage of the Company Discontinuity Probability.
 - Primary Risk Descriptor and the importance of the Primary Risk Descriptor it caused to the Company Discontinuity expressed as the percentage of the Company Discontinuity Probability.
 
 - A 3D tensor having the following dimensions:
- Name of Primary Risk.
 - Primary Risk: value between 0 and 1.
 - For each Primary Risk, a table including, for each row, the name of the Primary Risk Descriptor and a value between 0 and 1 representing the importance of the Descriptor on the Risk caused to the Company Default expressed as the percentage of the Risk value.
 
 
3 Syntax
https://schemas.mpai.community/CUI1/V2.0/data/PrimaryDiscontinuityDescriptors.json
4 Semantics
| Label | Description | 
| Header | Space-Time Header | 
| – Standard-Object | The characters “CUI-PSD-V” | 
| – Version | Major version – 1 or 2 characters | 
| – Dot-separator | The character “.” | 
| – Subversion | Minor version – 1 or 2 characters | 
| MInstance | Identifier of Virtual Space. | 
| PrimaryDiscontinuityDescriptorsID | ID of Primary Discontinuity Descriptors. | 
| PrimaryDiscontinuityDescriptors | Data in Primary Discontinuity Descriptors. | 
| – CyberRiskDescriptors | ID of Primary Risk. | 
| – ClimateRiskDescriptors | Real number between 0 and 1. | 
| DescrMetadata | Descriptive Metadata | 
5 Conformance Testing
A Data instance Conforms with Aaaaaa (CUI-XYZ) V2.0 if:
- The Data validates against the Aaaaaa’s JSON Schema.
 - All Data in the  Aaaaaa’s JSON Schema
- Have the specified type.
 - Validate against their JSON Schemas.
 - Conform with their Data Qualifiers if present.