# Page Not Found

The URL `reference/constraints/constraint-augmented-generation-cag/selfreferentialhierarchy` does not exist.

You might be looking for one of these pages:
- [❖ SelfReferentialHierarchy](https://docs.sdv.dev/sdv/concepts/constraint-augmented-generation-cag/predefined-constraints/selfreferentialhierarchy.md)
- [❖ ReferenceTable](https://docs.sdv.dev/sdv/concepts/constraint-augmented-generation-cag/predefined-constraints/referencetable.md)
- [Predefined Constraints](https://docs.sdv.dev/sdv/concepts/constraint-augmented-generation-cag/predefined-constraints.md)
- [❖ Auto-Detect Constraints](https://docs.sdv.dev/sdv/concepts/constraint-augmented-generation-cag/auto-detect-constraints.md)
- [Inequality](https://docs.sdv.dev/sdv/concepts/constraint-augmented-generation-cag/predefined-constraints/inequality.md)

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