How to use the @nivo/sunburst.SunburstDefaultProps.value function in @nivo/sunburst

},
    {
        key: 'value',
        group: 'Base',
        help: 'Value accessor',
        description: `
            define value accessor, if string given,
            will use \`node[value]\`,
            if function given, it will be invoked
            for each node and will receive the node as
            first argument, it must return the node
            value (number).
        `,
        type: 'string | Function',
        required: false,
        defaultValue: defaults.value,
    },
    {
        key: 'colors',
        help: 'Defines how to compute node color.',
        required: false,
        defaultValue: defaults.colors,
        controlType: 'ordinalColors',
        type: 'string | Function | string[]',
        group: 'Base',
    },
    {
        key: 'childColor',
        help: 'Defines how to compute child nodes color.',
        type: 'string | object | Function',
        required: false,
        defaultValue: defaults.childColor,