Graphs page - name of series from item name

is there a way to show series name directly from give itemname?
i want to get rid of repeating names in case i change my room name etc.
i want to put in name sth like “name: $itemname” i can do it in sitemaps, and js rules but don’t know how to do it here :wink:

- component: oh-time-series
    gridIndex: 0
    item: RadiatorAC11_TargetTemperature
    name: Łazienka Sypialnia
    service: rrd4j
    type: bar
    xAxisIndex: 0
    yAxisIndex: 0