API Reference > imodeljs-frontend > SpatialClassification > SpatialClassifiers > push push Method Adds a new classifier to the list, if an equivalent classifier is not already present. push(classifier: Classifier): Classifier | undefined Parameter Type Description classifier Classifier JSON representation of the new classifier Returns - Classifier | undefined The copy of classifier that was added to the list, or undefined if an equivalent classifier already exists in the list. Defined in core/frontend/src/SpatialClassifiers.ts Line 99 Last Updated: 13 June, 2024