Example with mandatory variables not filled in

---
dynval1:                      # A dynamic famify for val1
  var: example                # A dynamic variable for val1
dynval2:                      # A dynamic famify for val2
  var: example                # A dynamic variable for val2
var1: example                 # A new variable

Example with all variables modifiable

---
dynval1:                      # A dynamic famify for val1
  var: example                # A dynamic variable for val1
dynval2:                      # A dynamic famify for val2
  var: example                # A dynamic variable for val2
var1: example                 # A new variable
var2:                         # A new variable
  - example
  - example