Example with mandatory variables not filled in

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

Example with all variables modifiable

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