Example with mandatory variables not filled in

dynval1:                      # A dynamic family
  var: example                # A dynamic variable
dynval2:                      # A dynamic family
  var: example                # A dynamic variable

Example with all variables modifiable

var:                          # A suffix variable
  - Val1
  - VAL2
dynval1:                      # A dynamic family
  var: example                # A dynamic variable
dynval2:                      # A dynamic family
  var: example                # A dynamic variable