# One tag in UDT has a Bad Quality **URL:** \ **Category:** Ignition\ **Created:** [June 20, 2021, 10:16pm UTC](https://forum.inductiveautomation.com/t/one-tag-in-udt-has-a-bad-quality/47996 "2021-06-20T22:16:46Z")\ **Posts on this page:** 1\ **Showing post:** 4
**Author:** ![pturmel](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/pturmel/32/3295_2.png) [@pturmel](https://forum.inductiveautomation.com/u/pturmel)\ **Post date:** [June 21, 2021, 11:28am UTC](https://forum.inductiveautomation.com/t/one-tag-in-udt-has-a-bad-quality/47996/4 "2021-06-21T11:28:39Z")
You will need access to the code. If the param is InOut, you can simply point at the real source of that data. If the AOI member has External Access == None, you simply cannot read that member. You should also look at this discussion of AOIs: > [@Cannot read some tags inside Rockwell AOI](http://forum.inductiveautomation.com/t/cannot-read-some-tags-inside-rockwell-aoi/38393): > > I am trying to see tags inside an AOI. I went back to basics and dragged and dropped the tags from the OPC browser into the Tags Folder, but the quality is bad and there is a red x next to them. What is more confusing is that some are working and some are not. I cannot see any similarities between the few that aren’t working. Data type, In and Out types are working and not working. I can create a new UDT as an In/Out but this seems cumbersome. In this case, I would need to create tags only fo… --- _[View the full topic](https://forum.inductiveautomation.com/t/one-tag-in-udt-has-a-bad-quality/47996)._