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Apex Charts - Drill Down Functionality?

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#1

Hey, I’d like my users to be able to click a data point (month) and the chart switches to showing the data for each individual day of that month.

I don’t see a way to do this… I’m working with line charts.

I can see that the selected label is available in workflows, but it’s passed through as text, not as a date.

#2

Hi @ian3,

Great question - Apex Charts doesn’t have a built-in “drill-down” mode, but you can try the following suggestion to achieve it with the chart’s click event + a data-source switch in workflows:

  1. Keep two data sources ready:
  • Monthly series (e.g., your current line chart).
  • Daily series constrained by a month (Date ≥ MonthStart and < MonthStart + 1 month).
  1. On the chart element, use the event “A Line chart data point is clicked”. The plugin exposes the clicked data point index and the selected label/value in states for that event.
  2. Create two custom states on the page (or group):
  • view_mode (text: “month” / “day”)
  • selected_month (date)
  1. Maintain a parallel list of month start dates for the monthly chart (e.g., from your Things’ dates → :formatted as “start of month” → :unique elements → :sorted).
    On click, set selected_month = MonthList :item # (ClickedPointIndex + 1). This avoids parsing the label as a date.
  2. After you set selected_month, set view_mode = "day" and update the chart’s data source to the “daily” search with constraints:
  • Date ≥ selected_month
  • Date < selected_month +(months): 1
    Then trigger the plugin’s Update series/Redraw action (if you use that action in your setup).
  1. Optionally show a “Back to months” button that resets view_mode = "month" and rebinds the monthly series.

Notes:

  • Rely on the point index → parallel month list mapping; it’s more robust than parsing the label (since labels are text).
  • If you prefer to encode dates in the x-axis, you can still format labels for display while keeping an internal date list for the workflow logic.

If you’d like, share screenshots of your data source + workflow with the click event and constraints, and we’ll double-check your setup.

Docs for reference are here: https://docs.zeroqode.com/plugins/apex-chart-54-charts-and-graphs

Best regards,
Support Team
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#3

Hi @ian3,

Just checking in to see if you had a chance to try the setup we suggested for achieving the drill-down effect in Apex Charts.

Were you able to make progress, or would you like us to go over your workflow and constraints together to ensure everything’s set up correctly?

Best,
Support Team
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