Example with mandatory variables not filled in

var1: example                 # The first variable
var2: example                 # The second variable
var3: example                 # The third variable

Example with all variables modifiable

var1: example                 # The first variable
var2: example                 # The second variable
var3: example                 # The third variable
var4: value                   # The forth variable
var5: value                   # The fifth variable
var6: value                   # The sixth variable
var7: '8080'                  # The seventh variable
var8: 'true'                  # The height variable