> 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/object-reference.md).

# Object Reference

- [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)