Example with all variables modifiable

---
var:                          # A suffix variable
  - val.1
  - val.2
dynval_1:                     # A dynamic family
  var1: val.1                 # A dynamic variable
  var2: val.1                 # A dynamic variable
dynval_2:                     # A dynamic family
  var1: val.2                 # A dynamic variable
  var2: val.2                 # A dynamic variable