columnValidation

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/microsoft.graph.columnValidation",
  "title": "columnValidation",
  "required": [
    "@odata.type"
  ],
  "type": "object",
  "properties": {
    "defaultLanguage": {
      "type": "string",
      "description": "Default BCP 47 language tag for the description.",
      "nullable": true
    },
    "descriptions": {
      "type": "array",
      "items": {
        "$ref": "#/components/schemas/microsoft.graph.displayNameLocalization"
      },
      "description": "Localized messages that explain what is needed for this column's value to be considered valid. User will be prompted with this message if validation fails."
    },
    "formula": {
      "type": "string",
      "description": "The formula to validate column value. For examples, see Examples of common formulas in lists.",
      "nullable": true
    },
    "@odata.type": {
      "type": "string"
    }
  }
}