# Universal Reference System

Canonical URL: https://babadook.tech/capabilities/universal-reference-system
Entity: capabilities
Content hash: 388fda609565197349f7e9a5ea38a2d47687a182a76cfb355f3ee9218e4f249f

Cross-reference any entity with @namespace:type:id syntax across the Babadook ecosystem. Supports @xrp, @lugh-e, @prometheus, @haephestus, @athena namespaces and custom external registries.

Cross-reference any entity with @namespace:type:id syntax across the Babadook ecosystem. Supports @xrp, @lugh-e, @prometheus, @haephestus, @athena namespaces and custom external registries.

## specifications

## Specifications

- **external registries:** true

## Relationships

### products

- MUKR — https://babadook.tech/products/mukr

### modules

- Enterprise Integration Hub — https://babadook.tech/modules/xrp-integration-hub
- Universal Reference System — https://babadook.tech/modules/omni-reference-service