version: '0.10'
variables:
- variable:
    name: var1
    value:
    - text: 'no'
- variable:
    name: var2
    multi: 'True'
constraints:
- fill:
  - name: calc_value
    param:
    - type: variable
      text: var1
    - type: boolean
      name: multi
      text: 'True'
    target:
    - text: var2