# GetMapUpdate

Source: https://www.nianticspatial.com/docs/api/unity/NianticSpatial.NSDK.AR.Mapping.DeviceMapAccessController.GetMapUpdate/

GetMapUpdate

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## Declaration

public bool GetMapUpdate(out byte[] mapUpdateData)

#### Summary

Get the latest map update data, which consists of the new nodes and edges
    that have been added since the last call to this function.

#### Returns

True if successful, false otherwise.

> **Info:**
>
> **Notice**
>
> This is an experimental feature, and is subject to breaking changes or deprecation without notice

### Parameters

| Name | Type | Summary |
| --- | --- | --- |
| mapUpdateData | byte[] | The serialized map update data will be written here. |

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