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# init(_:content:)

Creates an instance that uniquely identifies and creates table columns
across updates based on the identity of the underlying data.

```
nonisolated init(_ data: Data, @TableColumnBuilder<TableColumnForEach<Data, ID, RowValue, Sort, Content>.TableRowValue, TableColumnForEach<Data, ID, RowValue, Sort, Content>.TableColumnSortComparator> content: @escaping (Data.Element) -> Content) where ID == Data.Element.ID, Data.Element : Identifiable
```

## Parameters

`data`

The identified data that the [`TableColumnForEach`](/documentation/SwiftUI/TableColumnForEach) instance
uses to create table columns dynamically.

`content`

The table column builder that creates columns dynamically
for each element.

---

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