API REFERENCE
needleToggled
CustomEvent.detail type: { index: number; needleId: string; disabled: boolean }. Event names are case-sensitive.
Definition
Event name: needleToggled. Names are case-sensitive. Read the payload from detail on CustomEvent<{ index: number; needleId: string; disabled: boolean }>.
chart.addEventListener('needleToggled', event => {
console.log(event.detail); // { index: number; needleId: string; disabled: boolean }
});