# getUpdate

Source: https://www.nianticspatial.com/docs/api/kotlin/com.nianticspatial.nsdk.mapping.MappingStorageSession.getUpdate/

getUpdate

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## Declaration

fun getUpdate(): ByteArray?

#### Summary

Get the latest map update data.

This function returns the incremental map changes (new nodes and edges) that have been added
since the last update, encoded as a DeviceMap protobuf.

#### Returns

The map update data if successful, or null if no update data exists.

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