{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$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" } } }