obniz/json_schema/request/system/ping.yml

obniz sdk for javascript

## YAML Template.
##---
$schema: http://json-schema.org/draft-04/schema#
id: "/request/system/ping"
response : "/response/system/pong"

type: object
required : [ping]
properties:
    ping :
      type: object
      required : [key]
      properties:
        key : {$ref : "/dataArray"}