---
version: '1.1'
var1:  # the first variable
var2:
  description: the second variable
  default:
var3:
  description: the third variable
  type: string
var4: value  # the forth variable
var5:
  description: the fifth variable
  default: value
var6:
  description: the sixth variable
  type: string
  default: value
var7:
  description: the seventh variable
  default: '8080'
var8:
  description: the height variable
  default: 'true'