# OnSave

> Kinbarrow modding reference — content tree `4a103dcdb658a75a`, version `0.2.0+main.e011511f4`.

[Effects and mechanisms](https://kinbarrow.com/modding/latest/mechanisms.md)

Used by [Spell](https://kinbarrow.com/modding/latest/spell.md#on-save), [ClassDef](https://kinbarrow.com/modding/latest/class-def.md#on-save), [MagicItem](https://kinbarrow.com/modding/latest/magic-item.md#on-save), [Npc](https://kinbarrow.com/modding/latest/npc.md#on-save), [FeatDef](https://kinbarrow.com/modding/latest/feat-def.md#on-save), [RaceDef](https://kinbarrow.com/modding/latest/race-def.md#on-save), [SubclassDef](https://kinbarrow.com/modding/latest/subclass-def.md#on-save), [TrapDef](https://kinbarrow.com/modding/latest/trap-def.md#on-save).

This is a nested shape inside a content file. The catalog explains context validation and links real RON examples.

What a failed save spares (SRD: "half as much damage on a successful one").

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## OnSave::Half

Select the half behavior.

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## OnSave::Nothing

Select the nothing behavior.