# Upgrade Tags in deployement, without updating values **URL:** \ **Category:** Ignition\ **Created:** [November 16, 2020, 9:17pm UTC](https://forum.inductiveautomation.com/t/upgrade-tags-in-deployement-without-updating-values/40707 "2020-11-16T21:17:31Z")\ **Posts on this page:** 1\ **Showing post:** 2
**Author:** ![nminchin](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/nminchin/32/6911_2.png) [@nminchin](https://forum.inductiveautomation.com/u/nminchin)\ **Post date:** [November 16, 2020, 9:26pm UTC](https://forum.inductiveautomation.com/t/upgrade-tags-in-deployement-without-updating-values/40707/2 "2020-11-16T21:26:19Z")
It would be pretty easy to parse the json and remove the value property from it. Have a look at my post below for an example. The script in there will convert opc tags to memory and back again, but you could just as easily remove the value property instead. It works with json copied to the clipboard. > [@Reading PLC tags offline](http://forum.inductiveautomation.com/t/reading-plc-tags-offline/40596/3): > > If I don’t have a PLC but I have the project, most of our tags are within UDTs which are already developed, so these are fairly easy to create manually or using a tool that takes in a list of instance names and parameters and creates the udt instances for me. Without a PLC, in v8, you can convert tags between opc and memory without any information being removed (this wasn’t in the case in v7). I use this script, just copied into the script console, to convert tag json copied into the clipboard… --- _[View the full topic](https://forum.inductiveautomation.com/t/upgrade-tags-in-deployement-without-updating-values/40707)._