# AppGroupColumnDef

```ts
type AppGroupColumnDef<TFeatures, TData, TCellComponents, THeaderComponents> = Omit<GroupColumnDef<TFeatures, TData, unknown>, "cell" | "header" | "footer" | "columns"> & object;
```

Defined in: [packages/svelte-table/src/createTableHook.svelte.ts:140](https://github.com/TanStack/table/blob/main/packages/svelte-table/src/createTableHook.svelte.ts#L140)

Enhanced group column definition with pre-bound components.

## Type Declaration

### cell?

```ts
optional cell?: AppColumnDefTemplate<AppCellContext<TFeatures, TData, unknown, TCellComponents>>;
```

### columns?

```ts
optional columns?: ReadonlyArray<ColumnDef<TFeatures, TData, unknown>>;
```

### footer?

```ts
optional footer?: AppColumnDefTemplate<AppHeaderContext<TFeatures, TData, unknown, THeaderComponents>>;
```

### header?

```ts
optional header?: AppColumnDefTemplate<AppHeaderContext<TFeatures, TData, unknown, THeaderComponents>>;
```

## Type Parameters

### TFeatures

`TFeatures` *extends* `TableFeatures`

### TData

`TData` *extends* `RowData`

### TCellComponents

`TCellComponents` *extends* `Record`\<`string`, [`ComponentType`](ComponentType.md)\<`any`\>\>

### THeaderComponents

`THeaderComponents` *extends* `Record`\<`string`, [`ComponentType`](ComponentType.md)\<`any`\>\>