# Example with mandatory variables not filled in

```yaml
---
var1: example                 # First variable
family:                       # A family
  var2: string6               # A second variable
```
# Example with all variables modifiable

```yaml
---
var1: example                 # First variable
family:                       # A family
  var2: string6               # A second variable
  subfamily:                  # A sub family
    variable:                 # Third variable
      - null
      - null
family2:                      # A family
  var2: example               # A variable2
  var3: string5
  subfamily:                  # A sub family
    variable:                 # Fourth variable
      - null
      - null
      - string4
```