API Reference > imodeljs-frontend > QuantityFormatting > QuantityFormatter > onQuantityFormatsChanged onQuantityFormatsChanged Readonly onQuantityFormatsChanged: BeUiEvent<QuantityFormatsChangedArgs> = ... Called when the format of a QuantityType is overriden or the override is cleared. The string returned will be a QuantityTypeKey generated by method getQuantityTypeKey. Defined in core/frontend/src/quantity-formatting/QuantityFormatter.ts Line 336 Last Updated: 11 June, 2024