API Reference > imodeljs-common > Symbology > ThematicGradientSettingsProps > stepCount stepCount stepCount: undefined | number The step count value used for ThematicGradientMode.Stepped, ThematicGradientMode.SteppedWithDelimiter, and ThematicGradientMode.IsoLines. Defaults to 10. Cannot be less than 2. Defined in core/common/src/ThematicDisplay.ts Line 57 Last Updated: 11 June, 2024