The Add or disable option in Cascading Select post function allows to dynamically add new options, re-enabling disabled options, and disabling exiting options in cascading select custom fields.

It supports adding/re-enabling/disabling root options or child options. 

Select the cascading field to be updated.

Select the option level where the new option is going to be inserted. The following options are available:

• Parent
• Child

Select the field containing the name of the option to be updated.

Select the action to be executed. The following options are available:

• Add new option, or skip if it already exists
• Add new options, or enable if it is disabled
• Force adding new options even if it already exists
• Force adding new option, even if it is disabled
• Disable option