---
elements:
- name: foo
type: Checkbox
default_empty_value: 1
- name: bar
constraints:
- type: Required
when:
field: foo
value: 1
not: 1
---
elements:
- name: foo
type: Checkbox
default_empty_value: 1
- name: bar
constraints:
- type: Required
when:
field: foo
value: 1
not: 1