No expressions in units name in oh-chart components?

Hi,
I’ve made a custom widget which is a chart in a card. I wanted to make it general so that I could specify the title, the item and the Y axis units in the props.
The title and the item work correctrly, but the name of the yAxis doesn’t.
This is the code:

uid: Chart Card
tags: []
props:
  parameters:
    - description: Title of the chart
      label: Title
      name: title
      required: false
      type: TEXT
    - context: item
      description: Item in chart
      label: Item in chart
      name: item
      required: true
      type: TEXT
    - description: Units in Y axis
      label: Units
      name: units
      required: false      
  parameterGroups: []
timestamp: Feb 21, 2023, 11:33:35 AM
component: f7-card
config:
  title: =props.title
slots:
  default:
    - component: oh-chart
      config:
        chartType: ""
        label: =props.title
        period: D
      slots:
        dataZoom:
          - component: oh-chart-datazoom
            config:
              type: inside
        grid:
          - component: oh-chart-grid
            config:
              includeLabels: true
        legend:
          - component: oh-chart-legend
            config:
              bottom: 3
              type: scroll
        series:
          - component: oh-time-series
            config:
              areaStyle:
                opacity: 0.2
              gridIndex: 0
              item: =props.item
              name: =props.title
              type: line
              xAxisIndex: 0
              yAxisIndex: 0
        tooltip:
          - component: oh-chart-tooltip
            config:
              confine: true
              smartFormatter: true
        xAxis:
          - component: oh-time-axis
            config:
              gridIndex: 0
        yAxis:
          - component: oh-value-axis
            config:
              gridIndex: 0
              name: =props.units
          - component: oh-value-axis
            config:
              gridIndex: 0

And I get this:
image

Notice “=props.units” in the graph when I set the prop “units” to “kWh”.
Am I doing anything wrong or it isn’t possible?
Thanks.

Which OH version are you testing with? It should work with (latest) 4.0 snapshots …

It’s good to hear. I am still on 3.4.2.