# hash Source: https://www.nianticspatial.com/docs/api/swift/NSDK.Nsdk_Vps_MapNodeSourceDevice.method-hash/ hash --- ## Declaration func hash(into hasher: inout Hasher) #### Summary Hashes the essential components of this value by feeding them into the given hasher. Implement this method to conform to the Hashable protocol. The components used for hashing must be the same as the components compared in your type's == operator implementation. Call hasher.combine(_:) with each of these components. > **Info:** > > **Notice** > > Important: In your implementation of `hash(into:)`, ### Parameters | Name | Type | Summary | | --- | --- | --- | | hasher | Hasher | - | ---