**Inheritance:** java.lang.Object, [com.aspose.words.Node](../../com.aspose.words/node/), [com.aspose.words.CompositeNode](../../com.aspose.words/compositenode/), [com.aspose.words.DocumentBase](........collection that represents all the custom document properties of the...tCustomNodeId) | Specifies custom node identifier. | | [getC...