%YAML 1.2
---
version: 1.1

var1:
  description: the variable
  params:
    multi_length: 3
  default:
    - val1
    - val2
    - val3

var2:
  description: the variable
  params:
    multi_min_length: 1
    multi_max_length: 4
  default:
    - val4
    - val5
...