> For the complete documentation index, see [llms.txt](https://kinematicsoup.gitbook.io/reactor/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://kinematicsoup.gitbook.io/reactor/api-reference/ks.reactor/ks.reactor.ksjson/ks.reactor.ksjson.modifyhandler.md).

# Delegate ksJSON.ModifyHandler

Namespace: [KS.Reactor](/reactor/api-reference/ks.reactor.md)\
Assembly: KSCommon.dll

Handler for on modify events.

```csharp
public delegate void ksJSON.ModifyHandler(ksJSON json)
```

#### Parameters

`json` [ksJSON](/reactor/api-reference/ks.reactor/ks.reactor.ksjson.md)

JSON that was modified.