# ColumnPasteGuard

> _Since v3.0.0_

A column's paste guard / transform (`onPaste`). See [`BaseColumnConfig.onPaste`](/grid/api/core/interfaces/basecolumnconfig.md#onpaste).

```ts
type ColumnPasteGuard = boolean | (ctx: PasteCellContext<TRow, TValue>) => boolean | object
```