Example with mandatory variables not filled in


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



Example with all variables modifiable


---                                                                             
var1:                         # The first variable                              
  - example                                                                     
var2:                         # The second variable                             
  - example                                                                     
var3:                         # The third variable                              
  - example                                                                     
var4:                         # The forth variable                              
  - value                                                                       
var5:                         # The fifth variable                              
  - value                                                                       
var6:                         # The sixth variable                              
  - value                                                                       
var7:                         # The seventh variable                            
  - value                                                                       
var8:                         # The eighth variable                             
  - value