I have tried what is suggested on this forum How do you validate Managed Metadata Field in a Nintex Form but to no avail.
I tried this simple custom validation on the control to get the value but it is not firing, no alert displaying:
If anyone can suggest what i am missing here, that will be highly appreciated.
The tooltip in your screenshot says that the value of your managed metadata field will NOT be provided to your validation function.
Thanks for your help!
Inside the funtion you need to query the control from which you want to get the value from like NWF$("#"+MyFieldID).value() and you can alert this value to test it.