[Home](./index.md) > [3d-tiles-validator](./3d-tiles-validator.md) > [ValidationOptions](./3d-tiles-validator.validationoptions.md) > [(constructor)](./3d-tiles-validator.validationoptions._constructor_.md) ## ValidationOptions.(constructor) > This API is provided as a preview for developers and may change based on feedback that we receive. Do not use this API in a production environment. > Default constructor. The default options will be: - `validateContentData = true`, causing content data to be validated - `includeContentTypes = undefined`, causing ALL known content types to be included in the validation. - `excludeContentTypes = undefined`, causing NO known content types to be excluded the validation. **Signature:** ```typescript constructor(); ```