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 # Storing custom data

 Last update: 16.07.2025 

This section covers the following topics:

- **[Document properties](../../../../UDA/add_api/architecture/storing_custom_data/doc_properties.md)**
- **[Custom attributes](../../../../UDA/add_api/architecture/storing_custom_data/custom_attributes.md)**
- **[Attribute propagation](../../../../UDA/add_api/architecture/storing_custom_data/attribute_propagation.md)**