# Overriding Properties in UDT Instances by system.tag.writeAsync() **URL:** \ **Category:** Ignition\ **Created:** [February 22, 2020, 10:20am UTC](https://forum.inductiveautomation.com/t/overriding-properties-in-udt-instances-by-system-tag-writeasync/32516 "2020-02-22T10:20:14Z")\ **Posts on this page:** 1\ **Showing post:** 25
**Author:** ![witman](https://avatars.discourse-cdn.com/v4/letter/w/d2c977/32.png) [@witman](https://forum.inductiveautomation.com/u/witman)\ **Post date:** [April 17, 2020, 7:09pm UTC](https://forum.inductiveautomation.com/t/overriding-properties-in-udt-instances-by-system-tag-writeasync/32516/25 "2020-04-17T19:09:16Z")
It looks like the inability to write to these may be resolved in 8.0.12 (I haven't tested): > [@Nightly 8.0 Changelogs - 2020](http://forum.inductiveautomation.com/t/nightly-changelogs-2020/31153/61): > > Nightly Changelog: 8.0.12-b20200417 Allen-Bradley Drivers 16333: Allow Port to be configured The port on Logix driver device connections can now be configured. Ignition Platform 16236: Use inherited tag props instead of just local ones Fixed an issue where writes to UDT members would fail when the property isn’t flagged as an override. Misc 16250: Use the default security zone for Perspective and the IdP Test Login page The default security zone is now set on the user’s security levels in … --- _[View the full topic](https://forum.inductiveautomation.com/t/overriding-properties-in-udt-instances-by-system-tag-writeasync/32516)._