# trim

Source: https://www.nianticspatial.com/docs/api/swift/NSDK.Nsdk_Vps_MapNodeUpdate.method-trim/

trim

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## Declaration

@discardableResult mutating func trim(keeping fieldMask: Google_Protobuf_FieldMask) -> Bool

#### Summary

Removes from 'message' any field that is not represented in the given
FieldMask. If the FieldMask is empty, does nothing.

#### Returns

Boolean determines if the message is modified

### Parameters

| Name | Type | Summary |
| --- | --- | --- |
| fieldMask | Google_Protobuf_FieldMask | - |

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