form.yaml

        save-data:
          title: Saving Data
          type: form
          value: |
            top(individual){
              code,
              sex,
              identity{fullname, birthdate}
            }
          fields:
          - value_key: individual.code
            type: string
            label: Code
            read_only: true
          - value_key: individual.identity.fullname
            type: string
            label: Name
          - value_key: individual.sex
            label: Sex
            type: enum
            options:
            - value: male
              label: Male
            - value: female
              label: Female
            - value: not-known
              label: Not Known
            - value: not-applicable
              label: Not Applicable
          - value_key: individual.identity.birthdate
            type: date
            label: Birth Date
          query: |
            with($individual, do(
              $_individual := update(individual[$code]{id(), sex := $sex}),
              with($identity,
                update(identity[$_individual]{id(),
                  fullname := $fullname,
                  birthdate := $birthdate,
                })
              ),
              {id := $_individual}
            ))