# I_DEMOGRAPHIC_SERVICE Interface UV_PARTY

**Category:** [Entity/demographics](https://discourse.openehr.org/c/entity/112)
**Created:** 2021-03-01 09:57 UTC
**Views:** 600
**Replies:** 1
**URL:** https://discourse.openehr.org/t/i-demographic-service-interface-uv-party/1333

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## Post #1 by @M.farokhtabar

Hi everybody,

I am trying to implement Demographic API based on I_DEMOGRAPHIC_SERVICE, but there is not any related information about **UV_PARTY** that is a  parameter for **create_party**  service.
Do you have any information about this class or its interface.

Thanks,

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## Post #2 by @thomas.beale

There were some missing items in the UML and class definitions. These are now fixed - [see the latest version](https://specifications.openehr.org/releases/SM/latest/openehr_platform.html#_uv_party_class).

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**Canonical:** https://discourse.openehr.org/t/i-demographic-service-interface-uv-party/1333
**Original content:** https://discourse.openehr.org/t/i-demographic-service-interface-uv-party/1333