# addTile

Tilemap-only — append a tile datum (occupied cells update in place).

Canonical: https://chart.syidax.com/docs/methods/addTile/

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## Definition

```typescript
addTile(datum: TilemapDatum): Promise<number>
```

| Arguments | Type | Required |
| --- | --- | --- |
| `datum` | `TilemapDatum` | Required |

Return type: `Promise<number>`. Call the method after element registration and await its Promise result.

- [TilemapDatum](https://chart.syidax.com/docs/types/TilemapDatum.md) — Type definition

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## Related charts

- [sy-tilemap](https://chart.syidax.com/docs/components/tilemap.md#method-addTile)