# CellOptions

Inputs accepted by Grid.Cell in addition to the shared DOM host options.

## Signatures

```ts
export interface CellOptions extends Dom.HostOptions<HTMLDivElement> {
    readonly state: RefSubject.HydratedRefSubject<State, Schema.SchemaError>;
    readonly collection?: RefSubject.RefSubject<Collection.State<CellPosition>>;
    readonly id: string;
    readonly rowId: string;
    readonly columnIndex: number;
    readonly rowIndex?: number;
    readonly selected?: Renderable.Any<boolean | null | undefined>;
    readonly content: Renderable.Any;
}
```

## Property: collection

Item registry used for collection-driven keyboard behavior and mounted ordering.

## Property: columnIndex

Caller-supplied column index used for movement and emitted unchanged as aria-colindex; ARIA
indexes are one-based.

## Property: content

Renderable child content for the component host.

## Property: id

Stable id used for collection identity and ARIA relationships.

## Property: rowId

Stable logical row identity used by vertical grid movement.

## Property: rowIndex

Optional one-based aria-rowindex value supplied by the caller.

## Property: selected

Optional selected state exposed through aria-selected.

## Property: state

Renderer-independent RefSubject state consumed by this component or operation.