# anchorUpdate

Source: https://www.nianticspatial.com/docs/api/swift/NSDK.NSDKVps2Session.method-anchorUpdate/

anchorUpdate

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## Declaration

func anchorUpdate(anchorId: NSDKVpsAnchorId) -> VpsAnchorUpdate?

#### Summary

Gets the latest tracking update for a specified anchor.
Call this for one-shot queries. For ongoing per-frame updates, subscribe to
anchorUpdated instead.
- Precondition: anchorId must be exactly 32 characters long.

#### Returns

The latest anchor update, or nil if the anchor ID is not recognized.

### Parameters

| Name | Type | Summary |
| --- | --- | --- |
| anchorId | NSDKVpsAnchorId | The unique identifier of a tracked anchor. |

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