# OPC UA struct data type?

**URL:** <https://forum.inductiveautomation.com/t/opc-ua-struct-data-type/26905>\
**Category:** Ignition\
**Created:** [July 26, 2019, 1:13pm UTC](https://forum.inductiveautomation.com/t/opc-ua-struct-data-type/26905 "2019-07-26T13:13:17Z")\
**Posts on this page:** 1\
**Showing post:** 16

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**Author:** ![hwbrill](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/hwbrill/32/14377_2.png) [@hwbrill](https://forum.inductiveautomation.com/u/hwbrill)\
**Post date:** [May 7, 2020, 10:01pm UTC](https://forum.inductiveautomation.com/t/opc-ua-struct-data-type/26905/16 "2020-05-07T22:01:34Z")

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If you can indulge me as I’m very unfamiliar with Siemens… The DB, \*.xls, has several tabs that seemed to describe the STRUCT you’re referring to. Only one tab has ref. to ‘UDT’… Can you subscribe to the STRUCT in the same way? Or, is the UDT a special way to create a subscribing source?

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