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