API Reference > imodeljs-common > DisplayStyles > SpatialClassifiers > setActive setActive Method Change the SpatialClassifiers.active classifier. The input must be a classifier belonging to this set, or equivalent to one in the set. If no equivalent classifier exists in the set, the active classifier remains unchanged. setActive(active: undefined | SpatialClassifier): undefined | SpatialClassifier Parameter Type Description active undefined | SpatialClassifier Returns - undefined | SpatialClassifier the active classifier. Defined in core/common/src/SpatialClassification.ts Line 269 Last Updated: 11 June, 2024