i am trying to filter data using controls in visualization tool.
if i have an set of emails who is having multiple cars
set emails [email@example.com,firstname.lastname@example.org,email@example.com]
set cars [ford,Honda,BMW]
firstname.lastname@example.org is having Ford and Honda
email@example.com is having BMW and FORD
if i select firstname.lastname@example.org from option list it should show only Ford and Honda in other option list(parental control)
but i want to use same in reverse order also
if someone selects BMW from cars option list in email option list it should show only email@example.com on email option list.
in short dynamic parent control
please help me .