{ "$schema": "https://json-schema.org/draft/2020-12/schema", "title": "DataValidationRule", "type": "object", "description": "A data validation rule.", "properties": { "inputMessage": { "type": "string", "description": "A message to show the user when adding data to the cell." }, "strict": { "type": "boolean", "description": "True if invalid data should be rejected." }, "showCustomUi": { "type": "boolean", "description": "True if the UI should be customized based on the kind of condition." } } }