description: >-
  This interface defines an example interface that uses multiple framework
  features
cmds:
  uses_something:
    description: This command checks if something is stored under a given key
    arguments:
      key:
        description: Key to check the existence for
        type: string
        pattern: ^[A-Za-z0-9_.]+$
    result:
      description: Returns 'True' if something was stored for this key
      type: boolean
vars:
  max_current:
    description: Provides maximum current of this supply in ampere
    type: number