Function formatTooltip

src/component/marker/MarkerModel.ts:205–223

(
        dataIndex: number,
        multipleSeries: boolean,
        dataType: string
    )

    }

    formatTooltip(
        dataIndex: number,
        multipleSeries: boolean,
        dataType: string
    ) {
        const data = this.getData();
        const value = this.getRawValue(dataIndex);
        const itemName = data.getName(dataIndex);

        return createTooltipMarkup('section', {
            header: this.name,
            blocks: [createTooltipMarkup('nameValue', {
                name: itemName,
                value: value,
                noName: !itemName,
                noValue: value == null
            })]
        });
    }

    getData(): SeriesData<this> {
        return this._data as SeriesData<this>;