# Edit `inp_edit_category element` in core/admin_templates/incs/form_blocks.tpl - add `pass_through='test' test='testvalue'` into `adm_SelectorLink`
# Go to {nav Website & Content > Structure & Data } and open some category for editing.
# Open browser developer tools to see HTTP queries
# Click to icon of {nav Point to Section } field
# Navigate into some category and back and make sure test=testvalue exists in ajax requests' urls