# Picking the test

A predefined test and its stage, or your own IDS.

Updated 1 November 2026

- [How do I pick a test?](https://ifcchecker.com/help/pick-a-test/): Once a model is added, the Tests table lists the tests you can check it against.
- [Which predefined test and stage?](https://ifcchecker.com/help/predefined-tests/): Pick the predefined test your contract or client names, and the stage your project is in, since a later stage includes every earlier one.
- [How do I check against my own IDS file?](https://ifcchecker.com/help/your-own-ids/): Drop your client's .ids file on the Check page together with the model.

[Workflows and help](https://ifcchecker.com/help/)