# ProtobufNullValue `NullValue` is a singleton enumeration to represent the null value for the `Value` type union. The JSON representation for `NullValue` is JSON `null`. - NULL_VALUE: Null value. ## Properties Name | Type | Description | Notes ------------ | ------------- | ------------- | ------------- [[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)