ucp-schema-authoring

To create custom Universal Commerce Protocol schemas, you author capability, service, payment handler, component, and type schemas using JSON Schema 2020-12 standards. This process enables the integration of unique business logic and domain-specific data models into the UCP framework.

Yes, you can extend existing UCP capabilities by defining custom extensions using `allOf` composition. This allows you to append domain-specific data models, such as custom discount capabilities, directly into standard UCP checkout flows.

Namespace governance in UCP schema development enforces established naming rules for custom schema creation. It ensures that newly authored capabilities and extensions do not conflict with existing Universal Commerce Protocol structures.

Yes, UCP schema authoring works exclusively with JSON Schema 2020-12 standards. This ensures that all custom capability, service, payment handler, component, and type schemas adhere to modern validation and composition specifications.

To add a custom payment handler schema to a UCP checkout flow, you author the schema using JSON Schema 2020-12 and register it as an extension. You compose it with existing UCP capabilities using `allOf` to integrate the custom logic.