DEVELOPER REFERENCE · v4.0.0

TimelineTrack API

Props, callbacks and methods. Select an underlined type to explore its fields, allowed values and callback arguments.

TimelineTrack7 props2 callbacks0 methods

TimelineTrack props
Name	Type	Description
`rows`Required	`readonly TimelineTrackItem<T>[]`Inspect type	Timeline rows and their event data, in display order.
`tooltip`Optional	`boolean \| undefined`	Enables hover/focus tooltips for chart or timeline values.
`formatValue`Optional	`((value: number) => string) \| undefined`Inspect type	Formats the numeric value for display without changing its stored value.
`getTooltip`Optional	`((event: T) => string) \| undefined`Inspect type	Returns tooltip text for a timeline event.
`selected`Optional	`string \| number \| undefined`	Selected value or selected-state flag; the declared type identifies which representation the control uses.
`range`Required	`TimelineTrackRange`Inspect type	Finite bounds with end greater than start.
`labels`Optional	`Partial<TimelineTrackLabels> \| undefined`Inspect type	Localized text labels for the controls in this composition.

TimelineTrack events and callbacks
Name	Type	Description
`onSelect`Required	`(id: string \| number) => void`Inspect type	Called when the user selects an item. The signature identifies the selected value and any additional context.
`onEventChange`Required	`(id: string \| number, event: T) => void`Inspect type	Receives an event ID and the updated event after moving or resizing it.

No component-specific imperative methods. Use props and callbacks to control this component.