{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "Subscription",
  "required": [
    "subscriptionType"
  ],
  "properties": {
    "subscriptionType": {
      "type": "string",
      "enum": [
        "USER_REGISTERED",
        "LEARNERS_ENROLLED_IN_COURSE",
        "TRAINING_MEETING_ADDED",
        "TRAINING_MEETING_REMOVED",
        "TRAINING_MEETING_UPDATED",
        "TRAINING_SESSION_PARTICIPANTS_ADDED",
        "TRAINING_SESSION_PARTICIPANT_REMOVED",
        "COURSE_COMPLETED_SUCCESSFULLY",
        "COURSE_STATUS_CHANGED",
        "COURSE_ITEM_COMPLETED_SUCCESSFULLY",
        "COURSE_ITEM_STATUS_CHANGED"
      ]
    },
    "params": {
      "type": "array",
      "items": {
        "$ref": "#/components/schemas/SubscriptionParameter"
      }
    }
  },
  "type": "object"
}