{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/azure-functions/refs/heads/main/json-schema/azure-functions-backup-schedule-schema.json",
  "title": "BackupSchedule",
  "description": "Description of a backup schedule. Describes how often should be the backup performed and what should be the retention policy.",
  "type": "object",
  "properties": {
    "frequencyInterval": {
      "default": 7,
      "description": "How often the backup should be executed (e.g. for weekly backup, this should be set to 7 and FrequencyUnit should be set to Day)",
      "format": "int32",
      "type": "integer"
    },
    "frequencyUnit": {
      "default": "Day",
      "description": "The unit of time for how often the backup should be executed (e.g. for weekly backup, this should be set to Day and FrequencyInterval should be set to 7)",
      "enum": [
        "Day",
        "Hour"
      ],
      "type": "string",
      "x-ms-enum": {
        "modelAsString": false,
        "name": "FrequencyUnit"
      }
    },
    "keepAtLeastOneBackup": {
      "default": true,
      "description": "True if the retention policy should always keep at least one backup in the storage account, regardless how old it is; false otherwise.",
      "type": "boolean"
    },
    "lastExecutionTime": {
      "description": "Last time when this schedule was triggered.",
      "format": "date-time",
      "readOnly": true,
      "type": "string"
    },
    "retentionPeriodInDays": {
      "default": 30,
      "description": "After how many days backups should be deleted.",
      "format": "int32",
      "type": "integer"
    },
    "startTime": {
      "description": "When the schedule should start working.",
      "format": "date-time",
      "type": "string"
    }
  },
  "required": [
    "frequencyInterval",
    "frequencyUnit",
    "keepAtLeastOneBackup",
    "retentionPeriodInDays"
  ]
}