version: '0.10'
variables:
- family:
  - name: general
    variables:
    - variable:
      - name: condition
        type: string
        value:
        - text: 'no'
      - name: variable1
        type: string
      - name: variable2
        type: string
constraints:
- condition:
  - name: disabled_if_in
    source: condition
    param:
    - text: 'no'
    target:
    - type: variable
      text: variable1
  fill:
  - name: calc_val
    param:
    - type: variable
      propertyerror: false
      text: variable1
    target:
    - text: variable2