silverstripe-userforms/tests/Model/EditableCustomRuleTest.yml

SilverStripe\UserForms\Model\EditableFormField:
  countryDropdown:
    ClassName: SilverStripe\UserForms\Model\EditableFormField\EditableCountryDropdownField
    Name: CountrySelection
    Title: "Choose your country"
    DisplayRulesConjunction: And
    ShowOnLoad: false
  irdNumberField:
    ClassName: SilverStripe\UserForms\Model\EditableFormField\EditableTextField
    Name: IRDNumber
    Title: "Enter your IRD Number"
  countryTextField:
    ClassName: SilverStripe\UserForms\Model\EditableFormField\EditableTextField
    Name: CountryTextSelection
    Title: "Enter your country (2 digit prefix)"
    DisplayRulesConjunction: And
    ShowOnLoad: false
SilverStripe\UserForms\Model\EditableCustomRule:
  rule1:
    Display: Show
    ConditionOption: HasValue
    FieldValue: NZ
    ConditionField: =>SilverStripe\UserForms\Model\EditableFormField.countryDropdown
    Parent: =>SilverStripe\UserForms\Model\EditableFormField.irdNumberField
  rule2:
    Display: Show
    ConditionOption: ValueGreaterThan
    FieldValue: 1
    ConditionField: =>SilverStripe\UserForms\Model\EditableFormField.countryTextField
    Parent: =>SilverStripe\UserForms\Model\EditableFormField.irdNumberField