> For the complete documentation index, see [llms.txt](https://docs.umbcheckout.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.umbcheckout.net/core-services.md).

# Core Services

- [Session Service](https://docs.umbcheckout.net/core-services/session-service.md): A service to handle the Get, Update and Clearing of the Session
- [Database Service](https://docs.umbcheckout.net/core-services/database-service.md): A service which handles storing of the Basket in the database
- [Basket Service](https://docs.umbcheckout.net/core-services/basket-service.md): A service which handles all things around the basket
- [Object Reference](https://docs.umbcheckout.net/core-services/object-reference.md)
- [Basket](https://docs.umbcheckout.net/core-services/object-reference/basket.md)
- [Customer](https://docs.umbcheckout.net/core-services/object-reference/customer.md)
- [UmbCheckoutMetaData](https://docs.umbcheckout.net/core-services/object-reference/umbcheckoutmetadata.md)
- [UmbCheckoutSession](https://docs.umbcheckout.net/core-services/object-reference/umbcheckoutsession.md)
- [LineItem](https://docs.umbcheckout.net/core-services/object-reference/lineitem.md)
- [UmbCheckoutConfiguration](https://docs.umbcheckout.net/core-services/object-reference/umbcheckoutconfiguration.md)
- [MultiUrlPicker](https://docs.umbcheckout.net/core-services/object-reference/multiurlpicker.md)
- [Cookies](https://docs.umbcheckout.net/core-services/cookies.md)
- [Addons](https://docs.umbcheckout.net/core-services/addons.md)
- [Database Service](https://docs.umbcheckout.net/core-services/addons/database-service.md): A service which handles storing of the Basket in the database
- [Property Editors](https://docs.umbcheckout.net/core-services/property-editors.md)
- [MetaData Property Editor](https://docs.umbcheckout.net/core-services/property-editors/metadata-property-editor.md)