Problem:
With Toolset Forms plugin, What I want is that if a user selects one option from a custom field, it "reveals" other fields that are related. Otherwise, it "hides" the custom fields that aren't related.
Solution:
You can control display for form sections from Forms’s GUI. This will allow to create simple display logic, involving custom fields and taxonomy.
Relevant Documentation:
https://toolset.com/documentation/programmer-reference/forms/cred-conditional-display-engine/
