# Create a parameter to change multiple tags **URL:** \ **Category:** Ignition\ **Tags:** perspective\ **Created:** [March 13, 2024, 1:27am UTC](https://forum.inductiveautomation.com/t/create-a-parameter-to-change-multiple-tags/87238 "2024-03-13T01:27:45Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![kith94](https://avatars.discourse-cdn.com/v4/letter/k/e95f7d/32.png) [@kith94](https://forum.inductiveautomation.com/u/kith94)\ **Post date:** [March 13, 2024, 1:27am UTC](https://forum.inductiveautomation.com/t/create-a-parameter-to-change-multiple-tags/87238/1 "2024-03-13T01:27:46Z")
I got few tags which i would like to change at once rather than changing each tag. how can i create a parameter which can change the tag value source from OPC to memory in multiple tags? i had mqtt engine tags which i copy pasted into a new instance called sample to make changes in there without effecting mqtt tags. but i want these sample tags to change if theres any change in the mqtt tags. for example if i change the tag value source from OPC to Memory, i want all the tags to change. if anyone knows how to do this please let me know. thanks in advance! ---
**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:** [March 13, 2024, 11:11am UTC](https://forum.inductiveautomation.com/t/create-a-parameter-to-change-multiple-tags/87238/2 "2024-03-13T11:11:01Z")
Only UDTs can have bindings on tag general parameters. You'll have to put them all in a UDT. ---
**Author:** ![kith94](https://avatars.discourse-cdn.com/v4/letter/k/e95f7d/32.png) [@kith94](https://forum.inductiveautomation.com/u/kith94)\ **Post date:** [March 14, 2024, 11:11pm UTC](https://forum.inductiveautomation.com/t/create-a-parameter-to-change-multiple-tags/87238/3 "2024-03-14T23:11:03Z")
thanks pturmel