{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "type": "object",
  "properties": {
    "items": {
      "type": "array",
      "items": {
        "title": "Data Table",
        "description": "Schema for a single Data Table",
        "type": "object",
        "properties": {
          "id": {
            "type": "string",
            "pattern": "^[A-Fa-f\\d]{24}$"
          },
          "dataTableId": {
            "type": "string",
            "pattern": "^[A-Fa-f\\d]{24}$"
          },
          "applicationId": {
            "type": "string",
            "pattern": "^[A-Fa-f\\d]{24}$"
          },
          "creationDate": {
            "type": "string",
            "format": "date-time"
          },
          "lastUpdated": {
            "type": "string",
            "format": "date-time"
          },
          "name": {
            "type": "string",
            "minLength": 1,
            "maxLength": 255
          },
          "description": {
            "type": "string",
            "maxLength": 32767
          },
          "columns": {
            "type": "array",
            "items": {
              "title": "Data Table Column",
              "description": "Schema for a single Data Table Column",
              "type": "object",
              "properties": {
                "name": {
                  "type": "string",
                  "pattern": "^[0-9a-zA-Z_-]{1,255}$"
                },
                "dataType": {
                  "type": "string",
                  "enum": [
                    "string",
                    "number",
                    "boolean"
                  ]
                },
                "constraint": {
                  "type": "string",
                  "enum": [
                    "unique",
                    "required",
                    "optional"
                  ]
                },
                "defaultValue": {
                  "type": [
                    "string",
                    "number",
                    "boolean"
                  ]
                }
              },
              "required": [
                "name",
                "dataType",
                "constraint"
              ],
              "additionalProperties": false
            },
            "maxItems": 50
          }
        }
      }
    },
    "count": {
      "type": "integer"
    },
    "totalCount": {
      "type": "integer"
    },
    "perPage": {
      "type": "integer"
    },
    "page": {
      "type": "integer"
    },
    "filter": {
      "type": "string"
    },
    "filterField": {
      "type": "string"
    },
    "sortField": {
      "type": "string"
    },
    "sortDirection": {
      "type": "string",
      "enum": [
        "asc",
        "desc",
        "ASC",
        "DESC",
        ""
      ]
    },
    "applicationId": {
      "type": "string",
      "pattern": "^[A-Fa-f\\d]{24}$"
    }
  }
}