version: '0.10'
variables:
- variable:
  - name: server_deployed
    type: boolean
    value:
    - text: false
  - name: my_var
    type: string
    auto_freeze: true
    value:
    - text: 'no'
constraints:
- fill:
  - name: calc_val
    param:
    - text: 'yes'
    target:
    - text: my_var
  condition:
  - name: hidden_if_in
    source: server_deployed
    param:
    - text: true
    target:
    - type: variable
      text: my_var