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ZoomCharts Documentation

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Setting Up Fields

Drill Down Timeline PRO requires three fields to create a visual. Click each field name below to learn more.


Required fields

  • Date Hierarchy: defines the time-based structure of your data. You can use the default Power BI date hierarchy or add multiple columns (one for each time unit) to create a custom hierarchy. These units will act as drill-down levels.
  • Date Value (X-Axis): add a single column of datetime values to determine the placement of data points along the X-axis. Values must correspond to the smallest time unit defined in the Date Hierarchy.
  • Series 1–25: represents the values displayed in the visual. Each series is rendered as a separate line or element along the timeline.

Optional fields

  • Legend: splits series into visually distinct segments that can be displayed as stacks or clusters.
  • Dynamic Threshold 1-2: defines up to two threshold values using data fields or measures. Once assigned, thresholds are automatically enabled. Supports both data columns and measures.
  • Tooltip Content: adds custom text or values to display in the tooltip when hovering over data points.

You can find a list of column names that are supported by the Date Hierarchy field on this documentation page.


Read about the drill-through setup process for Timeline PRO on this page: Drill-through setup.

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