A column that displays a single button with an icon on it. Example <ButtonColumn name="customAction" iconClass="fa fa-lightbulb" @click="onCustomAction" /> Properties This column provides default values for the following standard properties: headerClassitemClasswidthformatComponent action Type: (key: string, grid: IGridState) => (void | Promise<void>) Required Called when the button has been clicked. iconClass Type: string Required The icon CSS class to use as the content for the button.